Mitsuki and Yuya 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. 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.
Recently, My Sister Is Unusual is mapped to Horny, Reflective, Romantic and Weird on whatsyourmoodie. These mood tags describe the kind of movie night it may suit and link to more films with a similar feel.
Recently, My Sister Is Unusual is currently linked to MagentaTV, Videoload. Availability can vary by country and may change, so confirm the latest listing on the provider.
Listed services: MagentaTV · Videoload
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