Is the bullying guy bad, is it bad for me to be bullied? (Volume 1-6)

Publisher: Square Enix
Author: Riki Kimizuka, Hiura Yen
Size: 128mm x 182mm
Number of books: 6
Language: Japanese
Category: Shonen manga, manga
Latest release date: 2022-11-11

Synopsis:
Twenty years ago, he bullied me. The girl is now a student ...
Aizawa, who became a junior high school teacher, reunites with Suzuki, who became the culprit in receiving bullying at the reunion.
Aizawa relieves Suzuki, who says, "There is a cause for those who can be bullied."
20 years ago, I don't know that your beloved daughter who bullying me is my student ...