S2·E7 Hot Spring Eccentricity

Company man Kibara Shisao decides to take a side trip on his way home from a business trip, and Moguro takes him to a Mystery Onsen. They spend the night drinking with geishas, but to Kibara they look like his wife except a beautiful young woman named Chi. Moguro arranges for Kibara to spend the night with her, but in the morning he awakes with a geisha who looks like his wife and an expensive bill.