In her hometown for the first time after 10 years since her father passed away, Miyako Yamazumei, who was raised by her mother alone, returns with the intention of revitalizing her father's beloved public bathhouse. Her father had left her with this establishment as well as a debt of 10 million yen that he owed to the yakuza. Despite this challenge, Miyako is determined to make the bathhouse profitable once again with the help of the yakuza money lender.