An ongoing light novel series written by Mikawa Ghost and illustrated by Hiten. It began publishing in January 2021. The series follows Asamura Yuuta and his now step-sister, Ayase Saki who's not only his classmate but also considered the most popular and beautiful girl in school. There is a manga adaptation that began publishing in July 2021 with illustrations by Yumika. There is a Summer 2024 anime adaptation by Studio Deen.
