The Bell transformed into a colossal cherry tree post-victory against extraterrestrial beings. But, a new predicament demands the Magic User's Club to gather again. Unknown offenders surreptitiously planted a skyscraper-like cherry tree in Tokyo's heart, causing disruption in the city. Although the Club lacks leads on the troublemakers, they intuit a peculiar duty and take measures. Simultaneously, an unfamiliar person, masquerading as a youngster, observes the Club's progress from a distance.