Because the Demon World Tournament winner has requested it, Yusuke, Kuwabara and Kurama get together in front of an audience for each of them to record a morning and evening greeting. The problem is how to get Hiei to do the same.

An anarchistic country that is said to dominate the world exists on a vast island known as Moekko Island. This is where the final works of AC Company's android combat maids (resembling beautiful young girls) are done, also where these maids get there communication training. A new maid is to come to the island to be trained, Rinia, she is a young looking girl, who has lost her all of her memories, she tries very hard to impress the owner at Moekko island, but just ends up making a lot of trouble around the mansion. Takahiro, the owner of Moekko island, a depressive young man who has also lost his memories is seen as a very unhappy person who thinks Rinia will only be trouble around the mansion. As time passes, Takahiro slowly grows attached to Rinia's attempted ways of helping and so starts a beautiful relationship among the quiet island.

Akane Nishimura's quiet nature makes her classmates perceive her as a gloomy and unlikeable person. Combined with her intimidating gaze, it earns Akane the ominous nickname "Grim Reaper," condemning her to endless bullying for her supposed cursed powers that bring misfortune to everyone around her. However, none of these rumors deter transfer student Taiyou Takada from trying to befriend Akane. As someone who finds the supernatural fascinating, Taiyou approaches the Grim Reaper without hesitation, blissfully unaware of the complicated situation within the class. His bright personality and optimistic worldview may just bring about the change that Akane desperately needs.

When Rinko Hanasaki dies in modern-day Japan, she awakens in the body of Raeliana McMillan, the eldest daughter of a nouveaux riche baron. However, this is no ordinary world; it's the exact same one as a novel she once read. Beloved by her family, it would seem as though she is in a fairy tale. But Raeliana is far from the main character—she is a mere plot device, whose murder at the hands of her fiancé instigates the entire story. Raeliana has no intention to accept her fate quietly. She sets her eyes on someone in a position of great power—the vieux riche male protagonist Duke Noah Volstaire Wynknight—aiming to completely change the original story. Using her knowledge of future events, Raeliana offers information to Noah on the condition that he acts as her fake fiancé, but the Duke's two-faced nature throws a wrench in her plans!