https://www.mangago.me/read-manga/solo_farming_in_the_tower/ i think he's gentle in a caring way. there are hint of romance tho but i dont't think it would be full blown full blown romance or maybe far in the future chp
https://www.mangago.me/read-manga/omniscient_reader_s_viewpoint/
It's a manwha about a guy who is a loner and into reading a web novel. Just when he read the last chapter, he ends up being in the pretty much deadly story itself and his knowledge helps him navigate his new circumstances

Any non romance stories with a kind or gentle male protagonist