Responses
Spinach bouquet (smut in side stories)
Abnormal roomate (has smut in the last chapters)
Sangyang:The Wanderer
https://www.mangago.zone/read-manga/sangyang_the_wanderer/
Regas it's really slow burn and has a good plot
in case by some miracle you haven't already: https://www.mangago.zone/read-manga/my_guildmate_next_door_shortcut_scans/
SLOW BURN SHOUNEN-AI PLEASE (or BL in general)
but like, REAL slow burn, "Crossplay love" style, 100 chapters in and nothing has happened yet (doesn't need to be 100 ch. but like, a long while before anything happens, like The Stranger In The Mirror)