Responses
Manga: https://www.mangago.me/read-manga/danzai_no_majutsugari/
It's similar but not exactly and unfortunately has less than 15 chapters but it's good.
Magic and op mc: https://www.mangago.me/read-manga/i_m_gonna_annihilate_this_land/
please recommend me manhwas about magic with OP mc similar to the return of 8th class magician!!!!