Ep. 21: Jin masters the Way of Water while a woman's sorrow ends and Mugen exchanges an assassin's final gift.
Aired on February 12, 2005

In this installment, Jin acquires proficiency in the Way of Water technique. Simultaneously, the narrative resolves the emotional burden of a woman, bringing her sorrow to a close. Additionally, Mugen is involved in a significant exchange where he both provides and accepts an assassin's last gift. These events unfold as distinct plot points within the episode, focusing on character development and the conclusion of specific storylines without introducing new conflicts or arcs beyond the described events.
Episodes
- Ep. 17 · Jin concludes a life he had hoped to spare in this second verse
- Ep. 18 · Fuu trades her sword for graffiti while Jin and Mugen face new challenges.
- Ep. 19 · A charlatan deceives hidden Christians while Fuu bonds with the Sunflower Samurai
- Ep. 20 · Fuu, Mugen, and Jin encounter a blind traveling musician who senses their emotions.
- Ep. 21 · Jin masters the Way of Water while a woman's sorrow ends and Mugen exchanges an assassin's final gift.
- Ep. 22 · Trio enters mine shaft near Nagasaki and works for treasure share
- Ep. 23 · Ninja team manager challenges American sailors to a baseball match
- Ep. 24 · Fuu, Mugen, and Jin travel to Nagasaki to locate Ikitsuki island while being pursued by assassins.
- Ep. 25 · Jin battles Kagetoki Kariya while Mugen faces three brothers seeking his head