Unprotected Sex (Without Condom): Welcome to Kissui / Namaiki ~Kissuisou e Youkoso!~ The Animation

The main protagonist of this hentai anime, Satoshi, is a very ordinary and common university student. However, he lives in a women's dormitory and is not deprived of attention from the local female students. Accidents constantly happen there and a very negative aura prevails. It was decided that if nothing changes within six months, this building will be demolished, regardless of its condition. To avoid such a catastrophe, Satoshi decides to make the girls' lives positive, and for that he has six months...