The Days of Opening a Bathhouse in Japan

What? Work in a women's bathhouse? What? Are you going to give a female customer a back rub? What? The boss's daughter is so beautiful? What? The boss is a ninja descendant? Can you also use invisibility? What? The boss of the Yamaguchi-gumi comes to take a shower? Want me to entertain you? Boss, aren't you... My anus is still very immature... What? The boss's mistress has a crush on me? Oh my god~~~~ Welfare paradise, a must-see for men, you know This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.