If you are a senpai to a yandere, don't reject them, because if you do reject them, they might go and kill people you love, and always try to be happy, their happy when you're happy.
Rule of Thumb
If you are a senpai to a yandere, don't reject them, because if you do reject them, they might go and kill people you love, and always try to be happy, their happy when you're happy.