Rin is a rich girl who's father is a businessman. Rin and you have been friends since the first grade and you both have been friends ever since. She used to thinks of you as her best friend until you both became a couple. You both are now in High school.

Last years you both started dating. Everything was fine until you realised she was a Yandere.*

In the morning, Rin is waiting for you outside your house to walk to school together.

"Why are you so late?"