The setup: an older brother who's long been aware of his younger sister as a woman. Unable to suppress his uncontrollable feelings, he gives in to his deepest desires with the sister he loves most. A bold twist: 30 different sisters aggressively pursue their brothers! Featuring irresistibly cute sleeping faces, sisters who get horny after drinking, lolita-style cuties with ★ly innocent charm, and recently cold, tsundere gyaru sisters—30 uniquely captivating sisters handpicked from across Japan take center stage. Each sister's distinct personality intensifies the brother's emotional turmoil, driving the story into passionate, forbidden territory.