"Takehiko Kanroji, notorious for a man of power harassment, an executive officer of the publishing company "Yudansha" has been transferred from Nagoya to the Tokyo head office. His mission is starting a magazine. However, the theme is ""sweets"" that Kanroji hates most. Even so, he tries to tackle the given work with all his heart, but his subordinates fed up with his overbearing attitude.
Newlyweds Nana and Shota move into an apartment. Two situations, different from the drama series, take place: "What if Shota attends the resident's meeting and not Nana?" and "What if exchange murder game doesn't begin?"
The time of the New Generation Heroes is drawing to a close. Hiroyuki is being targeted by a dark power, forcing the other Ultra Heroes, from Ginga to R/B to appear and help the Tri-Squad battle these evil forces. But among them is Taiga's father? What has happened to Ultraman Taro?!
Somewhere on a distant planet, X and Geed were defeated by a pair of black Ultramen who bore their likenesses in appearance. At the same time, an old enemy of Taro named Ultra Dark-Killer targeted both Zero and Grigio, forcing Taro to recruit the New Generation Heroes to stop the League of Darkness.