Protagonist's Non-blood-related Sister as a Heroine cont

At least one heroine in this visual novel is the protagonist's sister, but they are not biologically related to one another. This heroine could be the protagonist's [URL=https://vndb.org/i295]stepsister[/URL], [URL=https://en.wikipedia.org/wiki/Adoption]adopted sister[/URL] or [URL=https://en.wikipedia.org/wiki/Foster_care]foster sister[/URL].

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