Read manga: Houkago Love Age

manga
Summary:

Akabane loses a game of bridge and thus his feelings for their classmate, Satsuki is revealed by his friends. He denies it immediately but somehow she's attracted to him too?

Also contains:
Half a yYear - Kimi to 6-gatsu
Kirai Kirai Mo?
Kimi ni Yell wo!
Kirai Kirai Mo? - Extra