Chihiro Mikado is Chiaki Mikado's older sister. She is seen very supportive of Kuro and Chiaki's "relationship" as seen when she helps them for the "date" at the park.
Chihiro Mikado is Chiaki Mikado's older sister. She is seen very supportive of Kuro and Chiaki's "relationship" as seen when she helps them for the "date" at the park.