During her husband's business trip, Yuka lets her nephew Shunya, who lives far from his workplace, stay at her house. It was supposed to be until he finds a suitable room, but Yuka enjoys living together with the bright and energetic Shunya. However, one day... After Yuka gets out of the bath, she unexpectedly encounters Shunya smelling her freshly removed, warm panties with a happy face. 'Shu, Shunya... what are you doing...' Confused Yuka can't help but stare at his erect penis.
