Recently, My Sister Is Unusual

Mitsuki struggles to adjust to her new life as the stepsister of Yuya after their parents marry. Their relationship is awkward, with Yuya unsure of how to connect with Mitsuki. Everything changes when Mitsuki becomes possessed by the spirit of Hiyori, a girl who has feelings for Yuya and seeks his help to reach the afterlife. To facilitate this, Hiyori enchants Mitsuki with a leather chastity belt, initiating a quirky plan to secure her passage to heaven while navigating the complexities of their unusual family dynamics.