YMMV / Recently, My Sister Is Unusual

• Audience-Alienating Premise: This story is about a girl who gets forced by a bisexual Cute Ghost Girl to wear a chastity belt and fill a "Feeling Gauge" attached to it regularly, mainly by doing things that are embarrassing and involve her stepbrother, so a staircase in heaven can appear and allow the ghost girl to finally move on. Oh, should she refuse, she dies. And it's all played for pure Fanservice. If anything, a large amount of people who stumble upon the first chapter/episode tend to (reasonably) see said ghost girl as an utter monster since her entire shtick is forcing a young girl into embarrassing and outright scarring situations with her adoptive older brother, to the point where she may even have to have sex with him against her own will eventually, while being completely ignorant of the anguish it's causing her regardless if she begins having feelings for him herself. Imagine the premise if either of them already had a dedicated love interest themselves.
• The Woobie: Mitsuki. She had to see her family broken apart, her mother going into despair, have her remarried to a stranger, albeit a kind one and got possessed by a spirit who wants to use her body to seduce and have sex with her step brother.

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