HUNTA-645 is a women-only room full of busty girls, and I'm the only male in it.

He secretly went to his sister's women-only shared apartment in the metropolitan area for a week, only to be discovered by the other residents! However, the sexually frustrated residents, seeing the long-absent man, became aroused and used her large breasts to seduce him, causing him to become fully erect! Being seduced by this carnivorous woman, of course, was also witnessed by the other women…