[Amamitu Hakushi (Amamitu Kousuke)] Mokou Onee-chan to Shota ga Ecchi Suru Hon 6 (Touhou Project)

Fujiwara no Mokou finds herself in an intimate, heated encounter with a younger boy, leading to a series of passionate moments. As they indulge in their desires, the tension builds through deep physical connections, from oral play to messy, overflowing finishes. The relationship turns increasingly intense, with the boy's growing size and the overwhelming sensation of her being filled causing Mokou to lose herself in the pleasure of his presence.