What's a hentai tag that you wouldn't want to happen to you in real life ?

all the way through

NTR, for one, but that's a pretty low hanging fruit since I think that's a trash fetish anyway. For stuff that I actually do get off to but wouldn't enjoy in real life, public use.

Pregnancy.

I don't have the traditional anatomy so, uh, it'll probably hurt a lot during childbirth.

All the varieties of vore

Guro, anything nonconsentual.

Vore. Shota. Loli. Guro. Lotsa fucked up hentai. Which is great for hentai, just keep it there rofl

Tentacles