[Shikibuton Cover] Muhoubi na Onee-chan

A big sister with zero awareness of her own body lounges, bends, and climbs all over her flustered little brother, and one accidental glimpse of his arousal is all it takes for things to spiral. What begins as embarrassment on the couch melts into a breathless trip to the bedroom, where her soft, heavy curves and eager coaxing draw him into round after round of unprotected sibling heat. Sweet, clumsy, and utterly shameless, she begs him to pour every last drop deep inside her again and again.