- Ryota Osaka (Eijun Sawamura (voice))
- Nobunaga Shimazaki (Satoru Furuya (voice))
- Takahiro Sakurai (Kazuya Miyuki (voice))
- Natsuki Hanae (Haruichi Kominato (voice))
- Shintaro Asanuma (Yoichi Kuramochi (voice))
Ace of the Diamond — S1E66
Episode: Outsider
Air Date: 2015-01-25
Runtime: 24 min
Overview
The night before the national final, Narumiya lowers his head to his teammates and surprises everyone. Next day, Narumiya walks on to the Koshien mound, motivating Sawamura to practice harder as he watches it on TV. Later, an unfamiliar man comes to observe Seido's practice.