After learning about the “Seven Mysteries” at the Ninja Academy, Himawari and several of her classmates decide to go investigate at night. Kae is among the participants, so Kawaki has no choice but to go along. But he learns that Kae does not believe in the Seven Wonders and is trying to create a fake phenomenon for the students who are looking forward to the expedition. Seeing Kae’s eagerness and excitement, Kawaki decides to help her until the end, but then something mysterious and unexpected occurs.

While everyone is exhausted from Ouga’s experiments, a test subject talks about their goals, which leads everyone to talk about what they want to do if they survive. The mood is lightened, but Ouga begins a new experiment. Due to the careless actions of certain test subjects, everyone's lives are in danger once again.

Amid a fierce battle, Kawaki’s fears come true, and Momoshiki takes control of Boruto. Kawaki watches as Boruto overwhelms Code as Momoshiki. Then Naruto arrives with Shikamaru. Kawaki is concerned for Naruto’s safety as one of Code’s targets, but despite his wishes, Naruto takes on Code as the Hokage. Unfortunately, Code takes Shikamaru hostage, and in his desire to settle his grudge, Momoshiki joins him. Naruto faces an extremely dangerous situation.