Responses
i hope this is what youre looking for!
https://www.mangago.zone/read-manga/i_m_banging_my_rival_from_a_parallel_world/
Yep this is the one! Tyy
BL, multi-part story(?), approximately 5 chapters(?). Man goes to a bar and finds the slightly chubby bartender attractive. He keeps pestering the bartender 'till they eventually have segs in the restroom