Tokyo, Ikebukuro West Exit Park. Makoto Majima, the son of a fruit shop near the park known as the “Ikebukuro West Gate Park”, has been known as the “Trouble Terminator of Ikebukuro” for solving difficult cases that the police have no idea how to deal with, such as crimes involving the underworld and gang turf wars. In Ikebukuro, where all kinds of people gather, Makoto, who does not belong to any organization and is equal to everyone, often receives dangerous and stimulating commissions. “A city that is kind to everyone, Ikebukuro of love and peace. ... Yes, Ikebukuro is the best.” Today, he who was guarding the order of Ikebukuro, has brought another troublesome incident that threatens the peace of the city.