Yotsuba is trying her hand at drawing, but a few ruthless art critics could squash her dreams. A new love for gangster movies will tear her away from her artistic endeavors, when this green-haired girl-turned-goodfella uses her trigger-happy tactics to douse her doubtful neighbors. But when Yotsuba's water pistol runs out of ammo, our hugable thug learns that revenge is a dish best served dry. . .