https://www.pixiv.net/en/artworks/89840917

RE: tag "large insertions"

>Description: The insertion of sex toys or other objects that seem unlikely to fit comfortably into the one receiving said object.
>Notes: Should not to be used for big penis, huge penis, or other body parts.

https://ehwiki.org/wiki/large_insertions

Also, that's a monster, not a recognizable beast - ergo, no "bestiality".

Base +31, Phader +7, t_shitman +30, hexagonal -6