Mc teacher plz no ramance

https://www.mangago.zone/read-manga/koko_wa_ima_kara_rinri_desu/

She has a crush and is confessed to in the very last chapter or two, but I’d still highly recommend Gokusen, which is mostly free of romance

Oh i already watched the live action of that

Idk much about the live action but I’m pretty sure the manga is quite different.

https://www.mangago.zone/read-manga/academy_s_undercover_professor/
https://www.mangago.zone/read-manga/great_teacher_onizuka/
https://www.mangago.zone/read-manga/the_children_s_teacher_mr_kwon/
https://www.mangago.zone/read-manga/youkai_gakkou_no_sensei_hajimemashita/
https://www.mangago.zone/read-manga/ijimeru_aitsu_ga_waruinoka_ijimerareta_boku_ga_waruinoka/

Have you read these

https://www.mangago.zone/read-manga/the_royal_tutor/
https://www.mangago.zone/read-manga/t_sensei/
https://www.mangago.zone/read-manga/rookies/