https://www.mangago.me/read-manga/skip_to_loafer/
https://comix.to/title/wv010-100-days-in-europe (Highly recommend if your looking for cozy vibes)
https://www.mangago.me/read-manga/the_sacred_serpent_s_seduction/
For max serotonin though I wouldn't describe it as cozy: https://www.mangago.me/read-manga/vampire_family/ (bxg)
https://www.mangago.me/home/mangalist/3148147/
fluffy cozy yaoi

anyone got romance recs that just feel warm and cozy? anything goes (BL/GL/BG | Manga/manwha/manhua)
I crave the serotonin in my veins