During the cold open, delinquents from Mob's school (Salt Middle School) are in a turf war with a rival school (Black Vinegar Middle School). When the rival delinquents are unable to win, they call for their leader, Teruki "Teru" Hanazawa. In spite of being physically unimposing, Teru disposes of the Salt delinquents with ease. In an attempt to get revenge, delinquent leader Tenga Onigawara attempts to recruit the Body Improvement Club into the turf war...