Responses
I believe that is Taegu's chauffeur he has a scar across the nose, we've seen him a few times..
https://www.mangago.zone/read-manga/backlight_1/uu/br_chapter-190578/pg-15/
OKAY BUT IN THE S1 END NOTE WHO WAS THE BIKE'S OWNER GONNA END UP WITH BC HE HAS BLUE EYES SO I DONT THINK IT WAS TAEGU(taeju?) HYUNG ik the author said they wont do the other couple's story sso im just gonna mourn over their somewhat death （￣へ￣）