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.

In the second installment of the Death Note film franchise, Light Yagami meets a second Kira and faithful follower Misa Amane and her Shinigami named Rem. Light attempts to defeat L along with Teru Mikami (a Kira follower) and Kiyomi Takada (another Kira follower) but in the end will Light win? or will a Shinigami named Ryuk make all the difference in Light's victory or his ultimate death?

With the Gyaos re-emerging, Gamera's ties to humanity have been severed with his bond to Asagi broken. Nagamine and Asagi investigate while an orphaned girl named Ayana discovers a new creature she names Iris. Nagamine and Asagi must reach Ayana before she takes her revenge on Gamera, who she blames for the death of her family.

Junior high school student Yuki, a member of a travelling theater troupe, changes schools every month for performances. Because of this, he does not expect to meet people at any of his schools and does not try to make friends. However, when he attends a new school, his homeroom teacher asks him to deliver something to a classmate who hasn't been coming to school, but has excellent grades. By chance, he becomes friends with him, and Ken's ex-girlfriend Maya joins them, and as the three of them spend more and more time together, Yuki begins to wish that they could see him on stage as an actor.

Mayo, the Black Angel, is ordered to assassinate a powerful syndicate leader. The hit goes awry, however, as the crime boss' bodyguard steps in the way. It's none other than Yamambe, who once rescued Mayo from a rape and has lived in her heart since then.

A blind woman acquires a guide dog, and faces prejudice in 1980s Japan.