In the series, enemies of the past will arise and we will see the arrival of two mysterious black Ultraman, Ultraman X Darkness and Ultraman Geed Darkness. Can the New Generation Heroes defeat the League of Darkness? This series takes place after the events of the Ultraman R/B the Movie: Select! The Crystal of Bond and before the events of Ultraman Taiga.
Directed by Koichi Sakamoto (Ultraman Geed, Kamen Rider Fourze) and written by Junichiro Ashiki (Ultra Fight Victory), the web series premiered last September 29th at 10am JST, with new episodes every Sunday.