Maybe “namaikizakari” if you havent read it yet
https://www.mangago.zone/read-manga/kaichou_wa_maid_sama/
https://www.mangago.zone/read-manga/ouran_high_school_host_club/
https://www.mangago.zone/read-manga/special_a/
https://www.mangago.zone/read-manga/high_school_debut/
https://www.mangago.zone/read-manga/uruwashi_no_yoi_no_tsuki/
https://www.mangago.zone/read-manga/tomo_chan_wa_onnanoko/
oresama teacher maybe?
Short hair, strong? -> sounds like "one punch man"
any mangas with a cool/tomboy girl. Short hair, tough, nonchalant w style? I hope this isn’t too much. Im js tired of damsels in distress lol