Something Sentimentality

It's depressing in a weird way. It tries to understand the struggle of living with the purposeless self in a peculiar fashion. It has character names like the student named Terappi, which is this story's heroine. It's not a self-insert, but a lot of stuff from it is inspired from stuff in education institutions and just life in general. If you are a pervert and a weirdo you'll probably like this I dunno