"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)

Kasuga Takao is a boy who loves reading books, particularly Baudelaire's Les Fleurs du Mal. A girl at his school, Saeki Nanako, is his muse and his Venus, and he admires her from a distance. One day, he forgets his copy of Les Fleurs du Mal in the classroom and runs back alone to pick it up. In the classroom, he finds not only his book, but Saeki's gym uniform. On a mad impulse, he steals it. Now everyone knows "some pervert" stole Saeki's uniform, and Kasuga is dying with shame and guilt. Furthermore, the weird, creepy, and friendless girl of the class, Nakamura, saw him take the uniform. Instead of revealing it was him, she recognizes his kindred deviant spirit and uses her knowledge to take control of his life. Will it be possible for Kasuga to get closer to Saeki, despite Nakamura's meddling and his dark secret? What exactly does Nakamura intend to do with him? (Source: MangaHelpers)

Atop a hill overlooking a seaside port sits a boarding house named Coquelicot Manor. Since the building is run by her family, Umi Matsuzaki carries out many of the duties involved in managing the small establishment, such as preparing meals for her fellow boarders. When she isn't at home, she is a student at the local high school—one that is currently dealing with a small crisis.

In anticipation of the upcoming Olympic Games, a beloved old clubhouse is set to be demolished to make way for a modern building. As a result, a large part of the student body has banded together, working tirelessly to prevent this from happening. Umi finds herself helping the newspaper club to spread information about this cause where she befriends Shun Kazama, whom she gradually begins to fall in love with. But Shun is an orphan who doesn't know much about his origins, and when the two begin searching for clues to the boy's past, they discover that they may have a lot more in common than either of them could have thought.

Seven Knights Revolution: Eiyuu no Keishousha is set in a world where eons ago valiant heroes fought against the forces of "Destruction." While their deeds passed into legend, the power of these heroes was later inherited by "successors" who fought to protect the world. One day, Faria, a successor of the Seven Knights, saves an ordinary boy named Nemo from the forces of Destruction. During the ensuing battle, Nemo summons the power of a hero and becomes a successor as well. However, Nemo's hero is a stranger that is unknown to history, and so an epic journey where the past and present collide begins. (Source: Crunchyroll, edited)