Plz Help!!!

I forgot if it was a manga or manhwa but the story is about a little boy who tells scary stories. I think it’s because their is a rumor that if you tell a certain amount of scary stories something happens. The more he tells these stories the more we get a glimpse of what his life is like. I recall he often got into arguments with his parents and got beat. I think maybe it was hinted how he mightve killed his parents or SOMETHING killed his parents. I remember something about a curse and it ended up making someone die.