- Yukari Kokubun (Tsunayoshi Sawada (voice))
- NEEKO (Reborn (voice))
- Takashi Kondo (Kyoya Hibari (voice))
- Toshinobu Iida (Mukuro Rokudo (voice))
- Kenjiro Tsuda (Adult Lambo (voice))
- Yuka Terasaki (Basil (voice))
- Junko Takeuchi (Lambo (voice))
- Satomi Akesaka (Chrome Dokuro (voice))
- Suguru Inoue (Takeshi Yamamoto (voice))
- Hidenobu Kiuchi (Ryohei Sasagawa (voice))
- Daisuke Namikawa (Giotto (voice))
REBORN! — S6E170
Episode: Fateful Showdown
Air Date: 2010-02-06
Runtime: 25 min
Overview
After Tsuna defeats Torikabuto with the help of Na-Tsu, Yamamoto encounters Saru. Saru reveals himself to be none other than Genkishi. However, Yamamoto surprises Genkishi with Kojiro, his box weapon, merging with Shigure Kintoki to form Asari Ugetsu. His other box weapon, Jiro, changes his three small swords as well.