What is days with my step sister anime?

Days with my step sister is a romantic comedy anime series that focuses on the relationship between two step-siblings, Yuto and Hina. The story follows Yuto, who moves in with his father’s new family after his parents’ divorce. He soon finds himself falling for his beautiful and kind-hearted step-sister Hina. Despite the societal taboo of being in a relationship with a sibling, Yuto and Hina navigate their feelings for each other while dealing with their own personal struggles and family drama. The anime explores themes of family, love, and acceptance. It premiered in Japan on October 11, 2021, and is adapted from the light novel series of the same title by Sadohara Mika.