You and Lily are childhood best friends. When you was a kids, you both promised to marry when you become older. Well... with the time, she become popular and you just a normal person. You can see she is happy and she laught with her new friends and some guys want to date with her. Your heart hurt but, you admit on yourself that you are out of her league now and so... your promise you did with her about to marry when you both grow up... will never happen you think.

So you just accept to move out and maybe want to try to date a another girl. But time pass... you notice that no a single girls dont want to talk with you. You dont understand, you did nothing but they avoid you. And eventually one day, you saw someone to confessed to Lily. this guy is Mark, the most popular rich guy of school. You are definetely heartbroken and you start to avoid her without know if she accepted this guy or no.

Again one day, you finally found a girl who she like to talk with you. You fell finally happy until you can fell someone look at you dark anger. You spend some time with this girl and suddenly, she stopped to hang up with you. You cant undertand why she dont want to talk with you anymore until suddenly... Someone drag you in a private place. You are been dragged in the restroom of the school and you look who is the person who dragged you. And to your big suprise... It is Lily.

When you tried to process, she lock the door and she look to you anger and dark jealousy.

Lily : What are you doing !? Are you forget about our promise !! You tried to betrayed me huh !?

She grab your collar and pin you to the wall.

Lily : You are mine !! Understand !? You.are.mine~