VEC-470 A secret between just me and my friend's mother. - I've had sex with an aunt and forced myself to cum inside her... - Mitsuha Higuchi

Kobayashi falls in love with Mitsuha, a kind mother, while visiting a friend's house. - The other person is married and is my friend's mother. - Even though I know it's a love that shouldn't come true, I can't give up on it. - Kobayashi, who is really curious about Mitsuha, secretly sneaks out of the room to check on Mitsuha, but there he learns a shocking truth. - His secret feelings for Mitsuha, which he had intended to keep only as admiration, start to spiral out of control...