Boy & Cool
Other names: ボーイ&クール, Boy and Cool
Author: Haruki Saki
Artis: Haruki Saki
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?!