Read manga: Maou-Jou De Oyasumi

Maou-Jou De Oyasumi

Maou-Jou De Oyasumi

Other name: Sleepy Princess in the Demon Castle ; Selamat beristirahat di Kastil Iblis ; Sleeping in Devil's Castle ; Maoujou de Oyasumi ; Sweet Dreams in the Demon Castle ; Сон в замке демона ; 在魔王城说晚安 ; 魔王城でおやすみ ; 마왕성에서 잘 자요

Genres: Comedy ; Fantasy ; Romance ; Shounen ; Slice of Life

Artists: KUMANOMATA Kagiji

Status: ongoing

Latest chapter: Chapter 338

Updated at: Sep 17, 2023

Summary:

Sshhh! Princess Syalis is trying to get a good night's sleep. Some shut-eye. Forty winks. Catch some Z's. Long ago in olden times when people and demons lived together in—well, disharmony, really—a demon king kidnaps a human princess and imprisons her in his castle. Bereft, the princess's subjects beat their chests in anguish…until a hero arises to spearhead Project Rescue Our Princess! While waiting for her knight in shining armor, what's an imprisoned princess to do…? Teddy-bear guards with bat wings are all very well, but her dungeon cell is bo-o-o-ring! So, she decides to wile away the long hours by sleeping. Now if only she could get comfortable…and didn't suffer from insomnia…

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Chapters (347)

Chapter 314: Unknown Elder

Chapter 313: Who Are You?

Chapter 312: The "you Finally Tried It?" Episode

Chapter 311: Riiiight~!?

Chapter 310: You Should Invite First!

Chapter 309: Too Shy, Shy Angel

Chapter 308: It's All Because I Was Earnest~!

Chapter 307: A Voice Suddenly Enveloped

Chapter 306: We Have Circumstances, Idols!

Chapter 305: Princess's Ideal God

Chapter 304: Secretly Go To Heaven

Chapter 303: God • God • God • Monster

Chapter 302: Demon King Castle's "normal"

Chapter 301: Springy Body Case File

Chapter 300: 300 Zzz's Should Be Easily Surpassed

Chapter 299: I'm Sure I Handled This Alone Back Then, Though

Chapter 298: The Returning Great Detective Suya-Suya

Chapter 297: Now, I Feel Like Sleeping...

Chapter 292: Advance To The Underworld! The Horned Trio

Chapter 291: The Other Deceased

Chapter 290: R.i.p Suya-Suya!! Long Running Eternal Slumber!!

Chapter 289: Don't Consider Me The Same As You

Chapter 288: The Night Watch Princess

Chapter 287: Alluring!! The Devilish Flower, Neo Alraune!!

Chapter 286: I Sometimes Want My Switch Covered

Chapter 285: Boss Babies

Chapter 284: Disaster!, The Current State Of Demon King Castle's Administration!!!

Chapter 283: Running Uphill, The Harpie Race

Chapter 282: It Isn't A Trap! ♥ The Oriental Harpie Restaurant

Chapter 281: A Visiting Idol

Chapter 280: Something That Isn't A Corpse Was Buried

Chapter 279: The Great Demon King Army Popularity Poll!!

Chapter 278: Little Dogs Vs Weirdo

Chapter 277: If Only Princess Weren't Here

Chapter 276: Princess Rapidly Developed

Chapter 275: Who Is The Witch Here!?

Chapter 273: The Egg Society Is Downright Psycho

Chapter 272: Good Heavens, Large Dogs Are The Best!

Chapter 271: A Child Who Loves To Sleep Will Be Sexy

Chapter 270: Hypnosis Deficiency

Chapter 269: Versus, Demon King Castle Hot Pot B Set (Tajine)

Chapter 268: Weapons-Grade Sorcerer

Chapter 267: The Dragon Of Demon King Castle

Chapter 266: Please Forgive Me Somehow

Chapter 265: Stop Being Startled

Chapter 264: 'tis A Blood Sugar Rollercoaster~!

Chapter 263: Troublesome Even When Little

Chapter 262: Does That Mean There Is A Big Bear Devil?

Chapter 261: Be Gentle With The Princess

Chapter 260: The 260Th Night

Chapter 259: Shut Up And Eat

Chapter 258: Fight Freely!

Chapter 257: Succesive Pajama Party

Chapter 256: The 256Th Night

Chapter 255: The 255Th Night

Chapter 254: The 254Th Night

Chapter 253: The 253Rd Night

Chapter 252: The 252Nd Night

Chapter 251: The 251St Night

Chapter 250: The 250Th Night

Chapter 249: The 249Th Night

Chapter 248: The 248Th Night

Chapter 247: The 247Th Night

Chapter 246: The 246Th Night

Chapter 245: The 245Th Night

Chapter 244: The 244Th Night

Chapter 243: The 243Rd Night

Chapter 242: The 242Nd Night

Chapter 241: The 241St Night

Chapter 240: The 240Th Night

Chapter 239: The 239Th Night

Chapter 238: The 238Th Night

Chapter 237: The 237Th Night

Chapter 236: The 236Th Night

Chapter 235: The 235Th Night

Chapter 234: The 234Th Night

Chapter 233: Friendship • Effort • Revolution

Chapter 232: Our Demon King Castle's Petite Club

Chapter 231: Change!! The Real Demon King Twilight - The Final Day Outdoors

Chapter 230: Change!! The Real Demon King Twilight

Chapter 229: Attack Of The Dragon Uncle

Chapter 228: It's A Great Demon Town, Sir.

Chapter 227: My Brother Is The Water Type

Chapter 226: Sleepy And Famished

Chapter 225: Sweet Dreams, Demon Castle

Chapter 224: The 224Th Night

Chapter 223: The 223Rd Night

Chapter 222: The 222Nd Night

Chapter 221: The 221St Night

Chapter 220: The 220Th Night

Chapter 219: The 219Th Night

Chapter 218: The 218Th Night

Chapter 217: The 217Th Night

Chapter 216: The 216Th Night

Chapter 215: The 215Th Night

Chapter 214: The 214Th Night

Chapter 213.5: Special Collab Manga - Goodnight Anyways

Chapter 213: Only The Princes Isn't Aware

Chapter 212: You Have To Watch It!

Chapter 211: They're The Sorrows Of A Perceptive Bird!

Chapter 210: Papa (Looks Like He) Is In Elementary Grade 2 Or 3

Vol.16 Chapter 209: I Can't Separate While Cursed!

Vol.16 Chapter 208: The Sea Is Stormy At The River

Vol.16 Chapter 207: The Sea Is Stormy

Vol.16 Chapter 206: White! Coulomb Construction

Vol.16 Chapter 205: Big Brother Massage

Vol.16 Chapter 204: You Could Make It Fictional!

Vol.15 Chapter 203: You Will Become King

Vol.15 Chapter 202: Debugging Princess

Vol.15 Chapter 201: Another Route

Vol.15 Chapter 200: Accidental Leap

Vol.15 Chapter 199: Taking And Running

Vol.15 Chapter 198: Even Though I Finally Buried It Away

Vol.15 Chapter 197: Captive Princess Vs Trespassing Dragon

Vol.15 Chapter 196: I Made It As Shiny As Gold After All

Vol.15 Chapter 195: Audible Lullaby

Vol.15 Chapter 194: That Is Why You Get Kidnapped

Vol.15 Chapter 193: Captive Sympathy

Vol.15 Chapter 192: The Sleepless Town

Vol.15 Chapter 191: It Was Princess's Privileges Being Taken Away

Vol.15 Chapter 190: Sweet Dreams In Demon King Castle - Prologue

Chapter 189: The Ultimate Legal Comfort

Chapter 188: Happy 50Th Anniversary

Chapter 187: The String Pulling The God

Chapter 186: Be My Big Brother

Chapter 185: Sunny With The Occasional God

Chapter 184: Neverending Nights Don't Exist After All

Chapter 183: Grandpa Mom

Chapter 182: Class Observing In The Demon Castle

Chapter 181: Suyasuya Nemunemu

Chapter 180: Princess Camp

Chapter 179: Humanity's Dream, Spending New Year At A Hot Spring

Chapter 178: Togeyuki At Home

Chapter 177: The Rumored Captive Dealer

Chapter 176: He's Still Technically A Dog.

Chapter 175: The Fur Coated Guy

Chapter 174: Bear Devils Are The Cutest In The World

Chapter 173: The Late Stage 1 Boss

Chapter 172: The Cell Turned Confession Box

Chapter 171: How Many Kilos Are The Slimes You Lift?

Chapter 170: You Make Them, But Not Literally Make Them

Chapter 169: A Princess Always Smells Good

Chapter 168: Wooow~ Your Home's A Devil Castle

Chapter 167: Don't Make Mistakes With Name Addresses

Chapter 166: The Old Man Lovers Club

Chapter 165: Go On The Midnight Train

Chapter 164: The Black Goat Wrote A Letter

Chapter 163: Fluffy Soft Pinball

Vol.12 Chapter 162: Agree With Those Matters As Soon As Possible

Vol.12 Chapter 161: The World He Desires

Vol.12 Chapter 160: I Don't Want Her To Awaken Becuase I Want Her To Awaken

Vol.12 Chapter 159: Bewitched By The Pandangels...

Vol.12 Chapter 158: The Place With No Concept Of Human Or Demon

Vol.12 Chapter 157: Run Up! Training Camp

Vol.12 Chapter 156: The Demon King Castle's Pure Mint Plantation

Vol.12 Chapter 155: The Power Of Faith Is Amazing!

Vol.12 Chapter 154: Pointing Fingers Is Impolite After All...

Vol.12 Chapter 153: No Guard Princess Vs. Full Guard Man

Vol.12 Chapter 152: The Boy With Grown Horns

Vol.12 Chapter 151: Princess Robo Mark Iii

Vol.12 Chapter 150: A Model's A Model After All

Vol.12 Chapter 149: The Princess

Vol.12 Chapter 148: 2% Means 1/50, You Know?

Vol.12 Chapter 147: Princess Suya Rhys And The Secret Room

Vol.12 Chapter 146: Fishing With An Object Is Despicable!!

Vol.12 Chapter 145: Property Searching Is Fun, Isn T It!?

Vol.11 Chapter 144: They Re Not Always Female!

Chapter 143: Night 143

Vol.11 Chapter 142: Manga Magazines Are Generally Recyclable Resources

Vol.11 Chapter 141: Welcome To The Newcomers Dorm

Vol.11 Chapter 140: Demon King-Sama Is Arrogant

Vol.11 Chapter 139: I M Sincerely Sorry

Vol.11 Chapter 138: Creator S Thrill Ride

Vol.11 Chapter 137: Look This Way! Suyaris!

Vol.11 Chapter 136: Suyaris And The Chocolate Demon King Castle

Vol.11 Chapter 135: I Thought There Was Anonymity

Vol.11 Chapter 134: Lamenting Boy & Girl

Vol.11 Chapter 133: I Ll Give All I Ve Got For Both Hobbies And Work!

Vol.11 Chapter 132: You Were Young That Time

Vol.11 Chapter 131: Overdue Santa-San

Vol.10 Chapter 129

Vol.10 Chapter 126: Longing For A Life Of Leisure And Dignity

Chapter 124: Have You Not Heard Of Our Princess?

Vol.10 Chapter 122: A Massive Parental Meeting Begins

Vol.10 Chapter 121: A Day Of Sweet Dreams In The Demon Castle

Vol.10 Chapter 120: Unexpectedly Skillful Cure

Vol.10 Chapter 119: Case File: Sleeping Suyaris

Vol.10 Chapter 118: You Don T Know Anything

Vol.9 Chapter 117.5: Omake

Vol.9 Chapter 117: Those Who Drink Too Much Are All Bad

Vol.9 Chapter 116: Burning After You Go "wah!"

Vol.9 Chapter 115: If Demons Were To Dress-Up Like Her

Vol.9 Chapter 114: Hostage With Good Service

Vol.9 Chapter 113: I D Like To Have A Sleepover Or Something At School, Hm?

Vol.9 Chapter 112: Do Your Best! Forehead Demon Monk!

Vol.9 Chapter 111: Trying Quite Hard For A Demon

Chapter 110: Memories Smell Nice

Chapter 109: Big Sister Suyari S Happiness

Chapter 108: Fear! The Free Hostage

Chapter 107: I Swear I M Truly Outstanding

Chapter 106: Deadlines Turn Creatures Weird

Chapter 105: Pampered Bomb

Chapter 104: Isn T It Alright To Lay Out The Album?

Chapter 103: The Secret World Of Suyarrietty

Chapter 102: You Ll Be Able To Sleep 100% During Fifth Period Math

Chapter 101: Princess Is Forever Dreaming

Chapter 100: Let S Show Some Skin, Whee!

Vol.8 Chapter 99: Visiting The Nicest Places Of Hell Springs Over And Over

Vol.8 Chapter 98: Journey To Getting Used To The Princess

Vol.8 Chapter 97: Okay To Sleep, Okay To Fight

Vol.8 Chapter 96: If Somebody Gives You Their Name, You Have To Give Yours!

Chapter 95: New Years Futon Material Trade Fair

Chapter 94: Lying Is Despicable!

Chapter 93: Since It Feels Suprisingly Good The Moment You Support Someone

Chapter 92: Princess S Unimagined Poverty

Chapter 91: 1-On-1 In The Ward

Chapter 90: Don T "it Ll Prick A Little" Me!!

Chapter 89: You Dug Into A Grave, Not A Kotatsu!

Chapter 88: It Contains Handmade Chocolate

Chapter 87: When It Comes To Movies, You Need Popcorn

Chapter 86: Friend (Futon) (Stalker)

Chapter 85: Together With Spine-Chan

Chapter 84: The Sleep Princess Speech

Chapter 83: Don T Forget About Succyun

Chapter 82: You Can T Possibly Hide, Right?

Chapter 81: The Girl Travelling Between Castles Again

Chapter 80: Love ♡ Princess Mandragora

Chapter 79: Samsara At The Church

Chapter 78.1: Omake

Chapter 78: Princess Running

Chapter 77: I Can Meet You In Your Dreams!

Chapter 76: How Many More Minutes Must, I Stay Awake?

Chapter 75: For The Sake Of That Worthless Victory

Chapter 74: Do Your Best Doppelgänger Succyun!

Chapter 73: Outfit Exchange Treat

Chapter 72: Muu Muu Is The Country Of Dreams

Chapter 71: Heartfelt Party Night

Chapter 70: Night Rehearsal Practice (Wholesome)

Chapter 69: Jiggly Isn T A Bad Flavour!

Chapter 68: Finger-Drawn Fireworks

Chapter 67: The Demons Turn Ghastly Pale, The Colour Of Fatigue

Chapter 66: Demon King Castle Prison Break

Chapter 65: Do You Really Believe I Would Correct My Behavior After Seeing Somebody Else S?

Chapter 64: The Black Full-Time Princess

Chapter 63: Don T Avert Your Eyes

Chapter 62: Together With Suyaris Onee-Chan

Chapter 61: Sudden Change! Big Eggplant Earless Seal

Chapter 60: It S Against The Rules To Call Them An Adult Though

Chapter 59: Super-Sized For Demon King Castle

Chapter 58: The Princess S Sensitive Mouth

Chapter 57: Nooobody S At Fault!

Chapter 56: The Flower Garden Lying Beyond Perseverance

Chapter 55: The Princess S Wonderful Pillow Store ♥

Chapter 54: It S For The Sake Of A Girl S Friendship

Chapter 53: Not Remembering A-Something During A Deep Sleep

Chapter 52.5: Extra Arc: Good Night At Komi-San’S House

Chapter 52: I Think That S A Sneaky Capture Method!

Chapter 51: Pollinated Princess

Chapter 50: The Princess Dances Even If There Isn T A Meeting

Chapter 49: I Want To Hit The Helpful Goods Jackpot

Chapter 48: Badump! A Sorcery Tournament Filled With Demons!

Chapter 47: Taking Back The Princess (The Monster Of Demon King Castle)

Chapter 46: Looks Like We Have A Master Of All Trades

Chapter 45: The Girl Visiting Many Demon King Castles

Chapter 44: Create And Sing

Chapter 43: Attack!! Forehead Devil Subspecies!

Chapter 42: Which Child Sleeps The Most?

Chapter 41: Spine-Chan Doesn T Sleep

Chapter 40: Chocolate Is The Colour Of Blood, The Colour Of Love

Chapter 39.5: Extras

Chapter 39: Keeping Secrets Isn T Good!

Chapter 38: Demon King-Sama S Sleep Or Die

Chapter 37: A Perfectly Happy Prisoner

Chapter 36: God S Move In Dream

Chapter 35: Sweet Dreams In The Outskirts Of Demon King Castle

Chapter 34: Springy ♡ Princess

Chapter 33: Stop Getting Serious In A Party Game!

Chapter 32: Because The Princess Is A Naughty Girl

Chapter 31: Although I Got Merged With A Cat, Isn T That Okay...?

Chapter 30: I Can Upgrade The Window!

Chapter 29: Princess Panties Are Good Panties

Chapter 28: Totally Fluffy Futon Taxi

Chapter 27: The Sloth Making Machine

Chapter 26.5: Extra

Chapter 26: Demon King Castle (Sleep) Paralysis Play

Chapter 25: On A Cradle Unto The Grave

Chapter 24: My Laundry Path

Chapter 23: I M Going To Visit You Tonight

Chapter 22: Guardian Of The Quiet Sleep

Chapter 21: Why Can T Honey Be Produced From Nothing?

Chapter 20: A Flower S Life Is Short

Chapter 19: Badump! The Training Tournament Filled With Demons

Chapter 18: Friend (Futon)

Chapter 17: She Looks Like The Princess And Has The Same Brains As Her Too

Chapter 16: Princess Finisher-Sama

Chapter 15: Innocent Villain

Chapter 14: The Steam Killing Demon

Chapter 13.5: Special 5 - Volume 1 Chapterextra

Chapter 13: Head To The Sacred Treasure Forest!

Chapter 12: The Sea Of Pillows And The Tower Of Babel

Chapter 11: You Won T Go Down Unless You Touch It

Chapter 10: Schlaf Ein Holdes Kind

Chapter 9: But, It S A Heavy Price To Pay, Isn T It?

Chapter 8: The Princess S Three-Star Armour

Chapter 7: The Dreaming Poison Mushroom

Chapter 6: Keep Howling At The Moon

Chapter 5: Because There S A Tower There

Chapter 4: Sleeping With The Wind Shield... And Nothing Else

Chapter 3: A Sweet Sleep Known As Death

Chapter 2: Bedsheets Shining Like The Sea

Chapter 1: The Princess In The Sleepless Castle

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