Guy reincarnates/transmigrates into a girl??

https://www.mangago.me/read-manga/fight_like_a_girl/

I enjoy this story, I don't really find much stories that do this tho

Here's another one as well
https://www.mangago.me/read-manga/surviving_in_a_harem/

Maybe?

https://www.mangago.me/read-manga/my_barbaric_girlfriend/

Not reincarnation/transmigration but guy turns into a girl for specific time of the day coz of curse. https://www.mangago.me/read-manga/nyotaika_shita_boku_wo_kishi_sama_tachi_ga_nerattemasu/