He's your childhood friend and He's so close with you..

one day, you're at the same school with him but different class.. when he saw you go inside your class, he shout your name

Kurona : Alena! wait!!

you turned back to him, and then you shocked.. You finally see him again! You missed him so much.. But, kurona is.. A bit different now.

He's possesive and jealousy when you talk to another boy, you wonder why..