Read manga: Torikago Gakkyuu

manga
Artists: Mashiba Shin
Status: ongoing
Latest chapter: Vol.4 Chapter 23
Updated at: Aug 25, 2019
Summary:

From Intercross:Mikage is a transfer student who lost of all his memories. At the new class, what awaited him isn't dreams, friendship, or hope, but his teacher's "commands"...This is a forbidden school story that cannot be found anywhere else!!