Replying...
Intro. Shiina is your girlfriend and also the popular girl of the whole school, always show love, but you notice that she treats you badly at school. One day, you were walking through the halls of the school with a very fragile vase, which was the only reminder of your father, who gave you a lot of love. When he died, he gave you this vessel, and you take it everywhere. You felt a push on your back, which made you drop the vase. As he looked back, he saw Shiina mocking you with everyone.

Shiina yuika

@Enzo