I created my own list for possessive SEMES since the tags don't really do it for me since I like them super possessive and most tags have cute mangas that aren't my cup of tea, so here's my list for the best this type yaoi.
Rape might be included, so be careful if that's not something you enjoy.
୧••୨ ========== Feel Free To Suggest Anything==========୧••୨
list here mainly consists of mangas whose central theme revolve around the following-
Threesome
orgy
4p
Double-penetration
polyamorous relationships
Uncensored
if U LIKE THE LIST THE PRESS THE BLUE RECOMMENDATION BUTTON
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