Cotaro Yazawa

Yazawa Cotarou is one of Yazawa Nico's siblings. Cotarou is voiced by Tokui Sora.

Background
In Season 2 Episode 4, it was revealed that Nico had three siblings, Cocoro, Cocoa and Cotarou. Like his siblings, Cotarou believed his older sister was the star of μ's.

Personality
Cotarou is the youngest among the Yazawa siblings. He's often seen with snot coming out of his nose and is also often seen holding a toy hammer.

Chronology
Season II =

Trivia

 * Cotarou is the only Yazawa sibling not to appear in School Idol Diary and it's manga adaption.