Oh, they had to censor them even though they were tentacles because they were technically penises. Pretty dumb though, if you do that what's the point in using tentacles anyway?
If this is from a game, why is it a what? Honestly, I can see what's going on here even if I haven't played the game. His penis has spread to multiple ones and is raping her. Not hard to understand. I'm not "stupefied" as the description for what says.