When Tommy, Chuckie, Phil, Lil, Dil, and Kimi visit "the Black Page," their minds get transported into the "Mnemonic Abyss" and now must find a way to escape while meeting a doll maker who looks like Angelica, and other characters that look like people they know. This is a sequel to Doors x All Grown Up!

When Jade's mind gets transported into the Mnemonic Abyss after her body falls into a coma, Jackie goes in there to save her. This is a sequel to Doors x Jackie Chan Adventures.

When Ben 10's fighting a robot, his mind gets transported into the Mnemonic Abyss and now he has to get out while Gwen, Max, and Grey deal with all their past enemies taking advantage of the moment. This is a sequel to Doors Ben 10.

"Have you heard of the rumors about some Chat room called 'The Black Page?" "The Black Page? Oh yeah...I know those rumors...pretty creepy right?" "Yeah, I'm thinking of checking it out." "If those rumors are true I'm staying away from that chat room. No way in hell am I gonna go missing like those 3 girls did when they went on the chat room." "Oh come on! nothing will happen!"

Reiko Asagiri, having been released from her endless anguish, is now alone in the Meta outside the Mnemonic Abyss kakera. Wishing to move on, she encounters a witch named Rubie who's willing to take the abyss under her wing. The only catch is she wants to 'erase' it to 'save' it. Will Reiko allow this witch to take over, or will she stay by her world's side? T for mentioned suicide