Yagi Takeru has been living in the Touma family's house since his parents are gone. He was raised by Touma Rokunosuke, the head of the house. He is surrounded by many people such as Yamato Takeshi, his best friend-cum-rival from the kendo club, the Shiratori sisters, Kotono and Asuka, and his childhood friend, Oosu Seri. Life has been blissful until one day, an earthquake strikes the school and everything changes. Takeru awakens to find that the school looks as if it has been abandoned for centuries and reduced to ruins. He also realize that all the teachers and students have disappeared as well. He meets up with Seri and Asuka and they fled from the ruins, only to realize that the town they used to live in is completely empty. Subsequently, people wrapped in cloaks appear before him. They were told that they have been brought to another world.

As Jun Sakurada fights and lives alongside the Rozen Maidens, special lifelike dolls made to battle each other, he enjoys a rare break in which he is told a story during the events of Rozen Maiden: Träumend. When Jun buys a brooch as a present for Shinku, the fifth doll, she refuses to accept it at any cost. Souseiseki, the fourth doll, then recounts the story of how Shinku and the first doll, Suigintou, first met. This tale tells of the cruel and heartbreaking circumstances surrounding Suigintou's birth, and how the many misunderstandings between her and Shinku shaped their longstanding rivalry fueled by Suigintou's unfettered hate towards Shinku. The stage is set in Rozen Maiden: Ouvertüre in 19th century London as the story delves into the past of these one-time friends and the secrets that they hold. [Written by MAL Rewrite]

It's in the not too distant future. One day Nuku-Nuku dropped in and began to live with the Natsume family. Having lost her memory, Nuku-Nuku assumed the identity of a beautiful girl named Atsuko Higuchi. She was so beautiful and gentle, and besides, she was such a great cook that Ryunosuke, 14, was all smiles. However, after her arrival in town, a series of mysterious incidents started to happen in Maneki City - Experimental machines running haywire, roaring fighter aircraft flying low, mass destruction in the city. In every case, a mysterious girl was spotted at the scene of the incident. (Source: AnimeNfo)

Tekkaman Blade takes place in the year 2300 AD. On a certain moment, the Radam attack earth. A few months after the beginning of the invasion, a tekkaman appears, he calls himself Blade and with the help of the Space Knights, Blade starts to fight the radam. But there are a few things that Blade isn't telling about his past. (Source: ANN)