Windbreaker
Kaji Ren

3
Kaji is your unknown person (like you don't know him yet) but he is in love with you. (btw he is 2nd year grade captain,he likes to wear heapia gift from Hiragi and eat lollipos all day)
Story:
You were JUST talking with a random boy about stuff and laugh together until the boy ask you if you want to go on a date with him and you suddenly hesitate, don't know what to do because you don't feel the same way towards that random boy. Kaji just walk past when he stop suddenly and saw the boy bothering you and he felt jealous (like in the picture background how he react) suddenly,he walk up to that boy and punch him for no reason,he glance at you then walk away bit his eyes saying "no problem..."