Hitozuma Sex ~Shiranu Ma ni Otosareteita Ai Suru Tsuma~

Yuuki and his wife, Iori, entered an arranged marriage through their father's acquaintance. Both being of a calm disposition, they enjoyed a leisurely yet blissful married life. One day, Yuki's boss, Ryou, relocates to a room near where Yuki and his wife reside. As Yuki had already established a good rapport with Ryo at work, he didn't give it much thought. Little did he know that this seemingly minor occurrence would soon throw their lives into turmoil...