Blue Hearts(2018)

Blue Hearts

"What am I doing?"

Yuuhi Nagi's high school life is already halfway over, but he still doesn't have any dreams, ambitions, or even friends in his class! Every day is boring, until he's suddenly in danger of getting held back!
A bittersweet high school drama made up of 4 potential grade repeaters with the worst grades in the class and 1 student acting as their teacher!

(Source: Pocket Comics)