Ayumu Narumi's older brother Kiyotaka, a renowned detective and piano player, disappears all of a sudden. The only clue Narumi has, are the Blade Children. Two years later a row of murders and incidents begin, relating to the Blade Children. Together with school journalist, Hiyono Yuizaki, Narumi tries to figure out their destiny. (Source: ANN)

Pingu and his family move from their small village to the big city; in which there are many people with many different occupations. The ever-curious Pingu tries to join them at their jobs, but his mischievous side gets the better of him and he ends up messing things up. (Source: ANN)

Aika is a smart and athletic high school girl. She is so competent that she successfully passes the salvagers license test, obtaining a C-class license. Yet, she is young and hotheaded, so much so that Gota still treats her as a child. Due to this personality, no one is willing to hire her for salvaging jobs. Since she had taken the trouble to get her license, she decides to post an ad in her school to attract clients. She manages to get the attention of Erika, a daughter of a rich family and the leader of the treasure hunting club. She asks Aika to salvage something from the sea and Aika delightfully accepts the request. However, upon seeing the state-of-the-art submarine loaded onto Erika's private cruiser and discovering their destination, Aika realizes the terrible nature of her assignment. This results in a clash with a group of high school girls in the southern islands. Who is the mysterious girl named Karen? So begins Aika's newest challenge!

Shintarou Kisaragi—a NEET who shut himself inside his room for 2 years—has been living his life normally until he met a cyber girl named Ene, who appeared in his computer screen when someone anonymously sent him a mysterious e-mail one year ago. One day, Ene had been messing with Shintaro's PC, which causes him have to go to the outside world for first time in two years. (Source: Official site)