Mari is exhausted by life in the city and opens up a shop selling snow cones in the small town of Nishiizu where she grew up. The simple flavors of her cold desserts soothe the emotional wounds of her customers and Mari comes to terms with herself by spending time with a young woman with a scarred face.

Mitsuki (Tenka Hashimoto) and Yuya (Yukichi Kobayashi) become stepsister and stepbrother because of their parents’ marriage. Mitsuki can’t get along with her new family and Yuya doesn’t know how to approach his new stepsister. One day, Mitsuki becomes possessed by the spirit of Hiyori (Mayu). Hiyori likes Yuya and believes Yuya can help her get to heaven. Hiyori places a leather chastity belt upon on Mitsuki and a plan takes place to help send Hiyori to heaven.