Looking for a BL Manhwa

I read this newly released BL manhwa some time ago....few chapters so far. It has an MC who was taught to "respect" men since his childhood. His grandparents always taught him how to respect men or something....So he is obsessed with men. He even joins a running club of sorts where the members meet in the evening in a park to run (the ML who is probably the bottom, also is part of it). The MC even chatted on a gay app with the ML's brother (who is a minor and the MC didn't know that, so the ML was pissed)....The ML flirts around with the male members of the running club too.....