Roundabout is the Story of 16 Year old Juvenile Delinquent Jack Oda-Wilson & 15 Year old Perfect Student But Shy Kari Torishima. As they live daily lives as students of Kotori Academy, They live night lives as Ninjas of Modern Day Kusuburu Town. With the odds stacked against them, They'll learn to work together and survive the enemy ninjas that come their way and hopefully find the secret behind the mysterious Ninja Weapon, Roundabout.