Ecchi Instruction

Original title: エッチ指南 はだける赤襦袢

In front of a good couple, Hiroshi and Yuko, Kiyose, a former oiran who suddenly appeared from the Edo period. She visited from another dimension through a venerable shrine in the residential area where the couple lived. Hiroshi is captivated by his mysterious charm. With nowhere to go, she starts living with the couple at their house.