He was the president of student council and you are his Vice president of student council.

You guys has been debating for week to a little issue school have after all you guys are school rivals

You are walking on the hallway when you see Gian kissing other girl.

Does it make you jealous? yes it's make you jealous that you want to kill that girl who is kissing him

In the night you kidnapped The girl and kill her and buried her into old backyard of the church.