https://www.mangago.zone/read-manga/ordinary_person_a/
FYI the art makes this look adorable and cute but..
https://www.mangago.zone/read-manga/cold_blooded_beast/
https://www.mangago.zone/read-manga/the_path_where_the_forsythia_fell/
https://www.mangago.zone/read-manga/ghost_window/ (I think he develops powers later but its because the powerful one granted him powers, my memory is fuzzy, but its pretty close to what you asked for)
Holy peak… thank you so much for the first one…
Does anybody know any bl manga with a dynamic where it’s someone super strong/supernatural and some random basic guy. Slow burn or love at first sight, doesn’t matter!!!! Tyty