Spiritual undertones, suggesting that Kojiro is more of a natural force than a human being.

Tsurikichi Sanpei (Weekly Shonen Magazine), specifically volumes around Vol. 23 (Mutsukake Kojiro) and Vol. 50 (Poaching incidents).

Review: Poaching - Mitsu-ryo -Final- -Kojiro- Poaching - Mitsu-ryo -Final- -Kojiro-