Ureta Karada wa Boku Senyou ~Motomeau Sado Masochism~ by Appetite - Adult Sex Game

Tradition of local a woman school is affected by the declining birth rate, it opened its doors to men.
Its first year, Yuta Namino is enrolled in the school on the recommendation of the mother is an OG.
And the dormitory to only one person men's dorm, begins life of only 2 people Kitazaki Risako, which is also the sister of a caretaker mother.
As admission celebrate one day, Yuta and Risako took a sumptuous meal just a little bit.
Risako has advanced liquor, had soon drunk asleep.
That time and do not let catch a cold the Risako tried Nekaseyo to futon, Yuta begins aware of the "woman" to Risako aunt ......