Pure and innocent, slightly muscular beauty girl Riko Shinohara makes her debut in Fitch! She can't stand her mother's new husband on a physiological level and lives with him as part of the new family, but she hasn't spoken to her stepfather properly and tries to keep her distance. One day, after tiring herself out practicing cheerleading, she dozes off on the veranda, only to have her stepfather appear and start licking her lips. However, this incident was just the beginning of the countless nightmares that would soon befall her...
