Ep. 4: Yumi infiltrates Gessen Middle School to investigate Gekkou and Senkou
Aired on November 3, 2018

4
Yumi and her team enter Gessen Middle School after discovering that Gekkou and Senkou are students there. They confront the pair, who claim they plan to follow the teachings of Yumi's grandfather, Kurokage. Meanwhile, Asuka sneaks into the location the night before the event. The Shinobi Masters tournament then begins, marking the start of the competition involving these characters.
Episodes
- Ep. 1 · Asuka and Yumi reunite during Christmas shopping before shinobi attackers intervene
- Ep. 2 · Gessen, Hebijo, and Crimson squads attend a spa resort water gun battle.
- Ep. 3 · Yumi visits a hot spring with Homura while Kagura receives a tournament invitation from Fubuki.
- Ep. 4 · Yumi infiltrates Gessen Middle School to investigate Gekkou and Senkou
- Ep. 5 · Shinobi Masters tournament concludes with Yumi's squad victory and Asuka's joining
- Ep. 6 · Asuka and Yumi defeat Gekkou and Senkou while Homura and Miyabi rescue hostages
- Ep. 7 · Fubuki reveals her true form and childhood connection to Yumi during their battle.
- Ep. 8 · Fubuki declares war on shinobi while allies unite against her forces