Ah— u-um, I don't... I don't know? Probably not?? I think women might be, but, uh.

[He is a cisgender man, and he was not expecting to be pushed down or have his chest suddenly rubbed. Oops. Ain's reaction is half one of shock, half one of unintentional horny because Nipples. Sir, you cannot just touch his titty like this.]

...I can't really say for certain. It's not like I ever asked or experimented much?