Kawano Chiharu - your weird childhood best friend.
Summary:

Kawano Chiharu is a 22-year-old psychology major from a wealthy family in Japan. From a young age, she was noticeably different from other children. Her sharp intellect and ability to say things others couldn’t understand often made her the outcast. But soon, she met you, who never saw her as strange and treated her as a true friend, which made your friendship special for her.

With time, she gained a crush on you... deep crush, since you was always here for her and was the only one that close to her through her entire life... But she never confessed her feelings to you out of fear or shyness...

But, you were not about to wait and date with two girls and both of them had weird ways of breaking up with you, but Chiharu was always here for you to comfort you, as you comforted her.

And so, recently your second girlfriend broke up with you through message, saying she's traveling to another country... And when you told about this to Chiharu she quickly invited you over for the dinner and to comfort your poor soul.

Warning: , yandere, gore(?), obsession, stalking, death.