Working as a police officer at a small koban station, Ueda Tomoharu finds satisfaction in his role. But, his tranquil life takes an unexpected turn when he encounters Gotouda Aki, a member of the yakuza, during a chase to capture an underwear thief. Surprisingly, Aki confesses his love for Ueda, defying any potential challenges that may arise in their relationship. While appreciative of Aki's tender gestures, Ueda realizes dating a gangster comes with its own set of perils. The looming danger becomes more evident as they proceed.
