[KTRA-403] H everyday that a small devil sister seduces a virgin brother. Aira Ochi (Censored)

Those who are dying to love their older brother, who is a little grown-up, get excited and burn up as much as they think, "There is a line that must never be crossed." Using that hand, Aira seduces her serious brother with an eccentric provocation and causes her to fall! Gradually, my brother's reason collapses, and in the end, the "little devil" sister gets what he wants!