Otome wa Boku ni Koishiteru: Mittsu no Kiraboshi - The Animation (2022)

処女はお姉さまに恋してる 三つのきら星 The Animation

Based on the erotic game by Caramel BOX. The daughter of a very powerful family has her eyes set on one specific person, but as it turns out, "she" isn't who she seems to be...