help me find this mangá

[Vinicius3333]

It is a manga where the MC is apparently cucked by his childhood friend and he tries to kill himself, for some reason, the school nurse ends up saving him. I read this manga at the beginning of the mangadex and I can't find it anymore

 

[Yatsuki]

@Vinicius3333 Do you remember anything eles about the manga? Any special personalities or physical traits? School nurse is male, female? etc. Any other details or trivia?

 

[Vinicius3333]

Mc is a boy, black hair, dull appearance, nurse is a female, normal comedy / romance / school life.