|Animal in Name||Monkey (猿)|
|Height||172 cm (5'7¾")|
|Weight||59 kg (130 lbs)|
|Hair Color||Dirty blond|
Sarumaru has an undercut, the hair on top being rather messy and appears to have been dyed dirty blond. He has amber eyes. At times, he also wears earrings.
Sarumaru is known to be an outgoing person and is usually always cheerful. He is often seen eating.
- His favorite food is ginger-fried pork.
- He likes to play video games, specifically Monster Hunter, which he often plays together with Kameyoshi after school.
- He likes to play soccer and is a member of the soccer club.
- He likes Weekly Shōnen Jump, a weekly magazine of shōnen (young boys') manga.
- He likes English music, including bands such as August Burns Red or Pantera.
- He appears to be a fan of Batman, as he is shown in day.11 wearing a t-shirt with the Batman logo on it.
- He is afraid that his mother will discover the pornographic book he bought at Aon.
- He has a side story based around himself and Kameyoshi.
- The animal in Sarumaru's name, monkey (猿), is the "saru" in "Sarumaru."
Yasuo Minamoto - Tanaka - Yada - Ririko Nekota - Yuyuka's father - Yuyuka's mother
Suzume's father - Daishi Mamura - Mamura's mother - Sa-chan - Samejima - Odawara