Page 10/11--the mangaka finishes laying it all out: is 150 years old, but has not physically matured at all, and thus appears androgynous. "If you lust after girls like this then, as a pedophile, you're technically a homosexual--but that's okay~!" this chapter's narrative implies.
Everyone knows but the lolicons, it seems. Or maybe the lolicons know, but they just enjoy being in the closet. lol
Not that that's a bad thing.