Responses
http://www.mangago.zone/read-manga/sensei_no_yasashii_koroshikata/
im not sure if
its this one but i hope so
Yes it’s the one!!! Thank you so much!!
you're welcomeee
The story is about a male teacher who actually a killer and psycopath and there’s his female student who knows about that and learn everything about killing someone with him. It appearantly that she wants to get a revenge, killing someone that killed her parents and the one who killed them is the teacher and the teacher knows about it but still he teaches her how to kill him. They began to killing any serial killer that attacks citizen. Please tell me if you know this manga title, thanks!