Oota, your typical office worker, meets Yumemino, a dental hygienist, at the dentist's office. She has a bright smile, a pair of voluptuous breasts, and a lab coat that tightly wraps around the sexy tits, making her look like an angel! "<i>I can't believe such a cute girl is going to treat me</i>!" Ota thinks to himself. Feeling happy and nervous, he heads for the treatment room, but his "treatment" is a bit unusual...