The masterpiece "The Collared Beautiful Girl" is back, transcending time and space! Ten years ago, Honoka was taken by his now deceased brother Kyosuke and became his sister-in-law. His younger brother Kazuma's strong desire for Honoka grew even stronger as he secretly peeked into his brother and his wife's depraved sex life... Then, ten years later, after a long period of recuperation, the beautiful and mature Honoka suddenly appeared before Kazuma.