The tag implication #64177 matryoshka_sex -> recursive_penetration has been approved.
Reason: Matryoshka sex is a specific occurrence where one's pussy is penetrated, and the same penetrator also penetrates the womb's occupant (fetus, prey, etc)
EDIT: The tag implication matryoshka_sex -> recursive_penetration (forum #410129) has been approved by @spe.
Updated by auto moderator