https://www.mangago.me/read-manga/trash_of_the_count_s_family/
https://www.mangago.me/read-manga/stuck_in_my_sister_s_dating_sim/
https://www.mangago.me/read-manga/what_happens_when_the_second_male_lead_goes_on_strike/
Scum Villain's Self Saving System light novel
I'm ngl the isekai genre was originally just loser men getting transported to cool worlds so I'm sure u can find hundreds of anime and manga LOL
Historical isekai manhwa with male MC please i read a lot with female MC and now I want male MC (づ ̄ ³ ̄)づ