A month after Genji Takiya graduates, a new battle for supremacy at Suzuran All-Boys High School begins. Transfer student Kaburagi Kazeo combats Kagami Ryohei for the coveted top spot, amidst a brewing inter-school conflict with Kurosaki Industrial High.
After discovering a hole in their crowded cell, nine prisoners escape their confinement to track down the key of the universe, which a fellow prisoner known as the Counterfeit King said he had hidden.
Soon after being named the new leader of his high school's gang system, Kujo grows bored with the violence and hatred that surround him. He wants desperately to abandon his post… but his once-enviable position of power has a strange way of making him feel powerless.
Togashi, the leader of Togashi-gumi, boasts enormous power. The leader of the Ryuokai is sent to prison because he distrusts him who controls the town, and a mysterious man who calls himself Takishima appears in front of Shinshiro who becomes the leader of the group.
A young man decides one day to start killing yakuza. After he kills his first two he gets roped into helping a wannabe gangster and his bumbling underlings to perform a hit. While things work out in the beginning, this young psychopath quickly becomes more trouble than the gang expected. Will they be able to rid themselves of him, or will they be his next victims?
Junk Food consists of four intertwining stories. The first and fourth sections show the morning routine of an blind, old Japanese woman, waking up, buying bread and milk, praying at the family alter; however, it is the second segment where the true story begins.