|Inside Sarumaru's Head|
|Side Story Information|
|Characters on Cover||Kotetsu Sarumaru|
Inside Sarumaru's Head (猿丸小鉄のあたまの中, Sarumaru Kotetsu no Atama no Naka) is a side story of Hirunaka no Ryuusei describing what happens after the events of the main story between Sarumaru and Kameyoshi. It is one chapter long and was included in the extras volume Bangai-hen.