Taking Care Of My Friend's Private Parts

TW: cuntboy --- To think that I would have sex with my cuntboy friend...! (Virgin) Naoya, while talking with his friend (Cuntboy) Rei, suddenly grows curious about Rei's lower half. He impulsively asks to see Rei's private area! Moreover, Rei unexpectedly starts getting in the mood...! A lewd atmosphere begins to arise, and the two friends start to cross a line...