The Exciting Expert of the Hot Springs Tsukasa and Nasa head out to a hot springs resort in Kusatsu for their honeymoon after Kaname's and Aya's mother wins a pair of tickets in a contest as the sisters are unable to go before the tickets expire. Upon their arrival, the couple is surprised at the size of the resort. After taking a dip in the hot springs, Nasa runs into an old lady and navigates her to the front desk. Meanwhile back at the bathhouse, Aya changes into a swimsuit and Chitose comes over wearing one herself in order to clean the place much to Kaname's amusement...