One day, Shima, a student council officer, felt himself being stared at, and found out it was the yankee Ryuunosuke who was the culprit. He felt the danger around the delinquent yet found himself being drawn to him. Is this yankee who touches a cat gently, has a sweet tooth and a cute smile actually really dangerous? <b>Included one-shot:</b> Volume 1: Omoide Dragon (The Dragon of Memories)