Volume 9

Volume 9 (鰓呼吸ブルース, Era Kokyū Burūsu) is the 9th volume in the series.

Cover Characters

 * Leonard Watch
 * Sonic Speed Monkey

Chapters

 * Chapter 23: Gill Breathing Blues, Part 1
 * Chapter 24: Gill Breathing Blues, Part 2
 * Chapter 25: Bratatat Mom