Ero Sushi-ya commences service from 8 p.m. From the outside, its sign reads "sushidokoro" and it appears no different from any other sushi establishment. Upon entering, the visitor is welcomed with a warm "irrashai." And just as in any conventional sushi shop, its interior decor features a counter with stools. The resemblance, however, ends there: Behind the counter, the visitor will not see chefs brandishing knives or applying dabs of wasabi to balls of vinegared rice, but rather, encounter a smiling madam and a half dozen fetching females clad in happi coats with nothing underneath. "Hi," greets the madame warmly. "Are you a tourist? The course at our shop provides 40 minutes, including 'honban' (the 'real thing' i.e., intercourse) for 10,000 yen."