"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)

When Nube and his class arrive at a small island to carry out beach activities, they heard a forbodding tale from an old man residing on the island. Legend has it that there is a creature known as the sea spider in the open seas around the island. When the creature is past 200 years old, it will turn into a monster and devour humans to satisfy its appetite. However, curiousity kills the cat and Yukime decides to pursue the authenticity of the legend. And then, a girl suddenly appears on the beach. Possessed with a strange charm, she immediately attracts Hiroshi's attention and overcomes him. Soon later, strange things start to happen to the others whereby Kyoko and Ritsuko-sensei got attacked under strange circumstances. The true identity behind the mysterious girl is questioned and the legend behind the sea creature seems to be true after all.

After obtaining the Number One headband, which proclaims him to be the best of all warriors, Afro spends most of his days in peace, though his nightmare-filled nights are not so tranquil. His life crescendos into chaos once again when Jinno and Sio, his former friends from long ago, take the headband from him, as well as the remains of his father. Challenged by Sio to don the Number Two headband again and exact revenge on them for their actions, Afro embarks on another journey as the wearer of said headband—an item for which anyone would kill him.

Afro Samurai: Resurrection follows Afro as he fights a second series of battles against all manner of foes, wading through the sea of corpses in his wake so that he may once again quench his never-ending thirst for revenge.

[Written by MAL Rewrite]

One day, aliens from the planet Pict launch a devastating invasion on Earth. Their sole purpose is to transform all of humanity into "Noppera"—featureless creatures with plain white skin, glowing antennae, and no face. This prompts the world's nations to counterattack, but they are all ultimately defeated, as they each launched their offensives separately. And so, both the Allied and Axis nations of Hetalia Axis Powers Movie: Paint it, White must band together and unite their powers to stop the alien invasion and save their planet. [Written by MAL Rewrite]