BL manga

https://myreadingmanga.info/aoppanaya-aop-boku-no-daisuki-na-sensei-ga-konna-ni-hentai-na-wake-ga-nai-theres-no-way-my-beloved-teacher-is-this-perverted-eng/
https://www.mangago.zone/read-manga/marquis_de/
https://www.mangago.zone/read-manga/i_m_no_match_for_him/
https://www.mangago.zone/read-manga/i_won_t_be_loved_by_my_sadist_teacher/ ( professor but still )
https://www.mangago.zone/read-manga/sensei_ni_nerawareteimasu/ https://www.mangago.zone/read-manga/hitorijime_my_hero/
https://www.mangago.zone/read-manga/nekoka_kareshi_no_ayashikata/
https://www.mangago.zone/read-manga/kyoushitsu_no_yugami/

https://www.mangago.zone/read-manga/devils_honey/uu/devils_honey-chapter-1
https://www.mangago.zone/read-manga/kyuuhankagai_fukurokouji/nbt/mpn_chapter-2351844/pg-1/ (oneshot)
https://www.mangago.zone/read-manga/namae_mo_shiranai_machiawase/uu/namae_mo_shiranai_machiawase-chapter-3 (oneshot and to be fair they didnt go that far but my feelings tells me the teacher is the seme)
https://www.mangago.zone/read-manga/kiken_na_hokeni_counselor/

Ohh thank you so much you are a godsend