In high school, Risa Amakawa is known for her exceptional self-reliance, armed with a magical bag that equips her for any unexpected mishap. When she encounters a roughed-up delinquent named Zen Oohira during a rainy day, she decides to help him using her resourcefulness. Surprisingly, Zen, despite fitting the delinquent stereotype with his carefree demeanor and motorcycle, starts to show interest in Risa. Grateful for her assistance, he gifts her a 'help coupon,' sparking a chain of events that reveal Zen's more charming side. As Risa navigates this unexpected connection, she faces a dilemma: should she stick to her cautious nature or take a chance on a potentially enchanting romance?