Tomomi Kawaguchi (河口 友美, Kawaguchi Tomomi) is a Japanese screenwriter who also does setting production. She is employed by Wit Studio. Before entering the the anime industry she worked as a dental hygienist.
There was a popular band with four students. After the band was offered a major contract, they broke up after a minor mistake. 6 years later, they are living their lives in their late twenties with troubles: Marriage, work, human relationship. They meet again and finish a song that they couldn't complete.
The three brothers discover that the human experiment banned after destroying the "Orochi", is still going on to secretly revive the evil snake. They also find out that some ex-members of the Yamainu (the Japanese military unit formed to kill the snake) are behind this conspiracy. The brothers fight together again in a battle against the military.
Una serie de historias paralelas de la serie Donten ni Warau. Algunas de las historias tienen lugar antes y algunas después del final de la serie principal.
