Ep. 10: Hachi visits his family for his birthday while Joker unseals the ancient ninja Yasha-oh.

Hachi returns home to celebrate his birthday with his mother, accompanied by Joker, who searches for treasures within the ninja mansion. Upon arrival at the ninja village, they encounter Hachi's sister Kurumi and his brother Ichimaru, who is busy digging holes. Observing Hachi's family life triggers memories of his own relatives for Joker. The situation escalates when Ichimaru uncovers a jar, and Joker removes its lid. This action releases Yasha-oh, a ninja who had been sealed inside the container by Hachi's ancestor many years ago, unleashing a powerful threat upon the group.

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