Pandora and Akubi form a team to find The Pieces of Calamity that have a great power to destroy the whole world. To find the pieces that have been scattered around various places, the two travel beyond dimensions. (Source: Crunchyroll)

The story takes place in the future, the city of Akihabara. It was once called a Holy land of otaku but now has become an office town. Otaku culture has declined, people are losing memories of anime and manga, and only a few specialty shops remain open. What supports the world of creative works are memories of manga and anime in people's minds, but when the world of the creative work is destroyed by a virus, it disappears from everyone's memory and is erased from the material world. 12 girls working in a small shop in a corner of Akihabara are fighting the virus to protect everyone's important memories about their favorite manga and anime, and return Akihabara to the way it was before!

Asumi Kouya is a college student who wants to earn some extra money. Utilizing his talents for cooking and cleaning, he accepts a part-time job as a housekeeper. His employer is single father Keiichi Naruse, an attractive young man with a troubling history regarding his former staff. Naruse's time is constantly dominated by work and his adorable son Ichika, and he rarely gets time to himself. Cleaning the man's room, Asumi gets a startling insight into just how frustrating the life of a single parent can be. He finds a pile of adult videos, which results in plenty of implications. Despite Naruse being a man, Asumi finds himself completely drawn in by his employer's beautiful face and gentle personality. With the promise of allowing the frustrated father sexual relief, Asumi's life as part of this small family has only just begun.

With the start of the Chopin piano competition, Kai Ichinose, Shuuhei Amamiya, and many other hopeful musicians from around the world strive to reach the top. The stakes have never been higher, and the judges are rigorous when it comes to selecting the winner out of the plethora of talented pianists. This competition is so harsh that even famous prodigies can be easily eliminated. Some play for the money, some play to fulfill their duty to their families, and yet others play for their music to be heard. However, the only one who can reach the top is the one who embodies the spirit of the music Frédéric Chopin crafted for future generations. With the stakes higher than ever before, rivalries, friendships, and family ties will be tested, and each pianist will find their own sound.