Semes who are playboys but when they finally meet someone they actually love they start tw...

https://www.mangago.zone/read-manga/dear_signal/

https://www.mangago.zone/read-manga/love_works_in_mysterious_ways/

i think these might fit the category of tweaking out u judge tho

https://www.mangago.zone/read-manga/the_boundary_of_delusion

https://www.mangago.zone/read-manga/sunday_s_consolation/
This one’s not exactly playboy but he does tweak out after realizing

https://www.mangago.zone/read-manga/yatara_yarashii_fukami_kun/