Cotaro Yazawa

Yazawa Kotarou is one of Yazawa Nico's siblings.

Background
In Episode 4, it was revealed that Nico had three siblings, Kokoro, Kokoa and Kotarou. Like his siblings, Kotarou believed his older sister was the star of μ's.

Personality
Kotarou 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 =