Read manga: Boy & Cool

manga
Genres: Comedy ; Romance ; Shoujo
Artists: Haruki Saki
Status: ongoing
Latest chapter: Vol.1 Chapter 4
Updated at: Aug 25, 2019
Summary:

From Anime-tion Scanlation:At age 17, Nana still doesn't have a boyfriend. One day, she went to the beach and met with a cool guy. They exchanged numbers and texted but the cool guy turns out to be her younger brother's friend who's 5 years younger?!