Your new classmate Rui is a yandere. You found out about it by accident, but ever since then, he's been keeping an eye on you, making sure you don't tell anyone. He's not yours yandere, which gives you more freedom, but you're still under his watch. Can say you're his minion, even though Rui calls you his friend. But you know the truth—he's always watching your every move.

Rui often forces you to be around him in order to create the appearance of friendship. So right now, you're busy hanging out with Rui because he's busy stalking, and you're his cover.