Read manga: Ore Ga Suki Nano Wa Imouto Dakedo Imouto Ja Nai

manga
Summary:

Suzuka Nagami is a beautiful third-year middle school student who has excellent grades and is the student council president. She wrote a novel about a little sister who dotes on her older brother, and the the novel wins a light novel award. After they discuss the matter, Yuu is the one who debuts as a proxy light novel author instead of Suzuka, under the pen name Chikai Towano.

Chapters (22)
Feb 29, 2020
Vol.4 Chapter 22: I Love Little Sisters, But Not My Little Sister
Feb 29, 2020
Vol.4 Chapter 21: Now I Can Say It. I Love Little Sisters!
Feb 29, 2020
Vol.4 Chapter 20: No Matter What It Takes, I Will Become Towano Chikai. (5)
Feb 29, 2020
Vol.4 Chapter 19: No Matter What It Takes, I Will Become Towano Chikai. (4)
Feb 21, 2020
Vol.4 Chapter 18: No Matter What It Takes, I Will Become Towano Chikai (3)
Feb 09, 2020
Vol.4 Chapter 17: I Will Become Towano Chikai, No Matter What It Takes(2)
Jan 07, 2020
Vol.3 Chapter 16: I Will Become Towano Chikai, No Matter What It Takes (1)
Jan 07, 2020
Vol.3 Chapter 15
Jan 07, 2020
Vol.3 Chapter 14: The Reason My Little Sister And I Went On A Date Is Mostly My Fault (2)
Dec 14, 2019
Vol.2 Chapter 13: The Reason My Little Sister And I Went On A Date Is Mostly My Fault (1)
Dec 10, 2019
Vol.2 Chapter 12: I Just Wanted To Catch Up To My Little Sister (2)
Nov 14, 2019
Vol.2 Chapter 11: I Just Wanted To Catch Up To My Little Sister (1)
Oct 21, 2019
Vol.2 Chapter 10: Even So, I Still Am Your Older Brother (4)
Oct 18, 2019
Vol.2 Chapter 9: Even So, I Am Your Older Brother (3)
Aug 31, 2019
Vol.2 Chapter 8: Even So, I'm You Older Brother
Aug 25, 2019
Vol.2 Chapter 7: Even So, I'm Your Big Bother (1)
Aug 25, 2019
Vol.1 Chapter 6: Even So, It's Still Too Early For My Little Sister To Play Eroge! (2)
Aug 25, 2019
Chapter 5: Even So, It's Still To Early For My Little Sister To Play Eroge!
Aug 25, 2019
Vol.1 Chapter 4: My Little Sister Reaches For The Highets Heights (2)
Aug 25, 2019
Vol.1 Chapter 3: My Little Sister Reaches For The Highets Heights (1)
Aug 25, 2019
Vol.1 Chapter 2: The Reason My Sister And I Become Light Novel Authors, Part 2
Aug 25, 2019
Chapter 1: The Reason My Little Sister And I Became Light Novel Authors (1)