In this episode, the focus is on a playful and lighthearted moment where the characters talk about or try out ninjutsu techniques—stealth, agility, and ninja-like moves. It adds a bit of humor and contrast to the otherwise tense atmosphere of the main series. Nana might demonstrate her own skills or tease others, highlighting the camaraderie and the quirky personalities of the group. Despite the fun tone, subtle hints about the characters’ abilities and hidden strengths come through. (thetvdb.com)