One year has passed after the great battle against the "Orochi" (gigantic snake). Tenka had been paralyzed from the final battle and he took part of the government's human experiment before the battle. Tenka withdrew himself from society, but his younger brothers, Soramaru and Chuutaro, find out the secret past about their older brother. (Source: Amazon Prime Video)

Fuuma ninja clan is a secret ninja tribe that is waiting for the "Orochi" (gigantic snake) to resurrect for generations. Shirasu and his twin brother Ichiu grew up in this viscous environment and this tells how they become the leaders of the clan. (Source: Amazon Prime Video)

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. (Source: Amazon Prime Video)

Munakata Mira is in love with his father, the famous Hollywood actor Munakata Kyousuke. Unknown to the public, both of them are father and son as well as lovers. When Mira turns 15 and enters high school, he faces trouble with his childhood friend falling in love with him. Also, finding out he is adopted only distresses him further. Then there's the problem of Kyousuke probably marrying a famous actress, whose son seems to have an interest in Mira. (Source: ANN)