It is summer break and Keima intends to spend all his time on video games. An old acquaintance, the timid girl Tenri, comes back into the neighborhood—and apparently has a lost soul inside her. It is up to Keima and Elysia to unravel the secrets of her heart. (Source: ANN)

"Unwritten" - An episode about Futaba and Kou in middle school. Based on the chapter called "Unwritten." also known as chapter 0 or Prologue. "Page.13" - An episode that continues the story after the television series's 12th and final episode. (Source: sakisaka10)

Naru Ayase is an 8th grader who can see the colors of music when she listens to it. For Naru, who is extremely good at decorating, becoming the owner of a shop like Dear Crown was her dream. One day, she finds out that the manager of a newly-opened shop is recruiting middle school girls who can do Prism Dance, and immediately applies. Naru begins to Prism Dance at the audition, and an aura she's never experienced spreads out in front of her. At that moment, a mysterious girl named Rinne asks her if she can see "rainbow music." (Source: ANN)

Episode 15 of Drifters shipped with the special version of the manga's sixth volume.