Цукінова Кумамі

A second year who was formerly part of Suzemegahara's table tennis club, before transferring to Tsumebame after being enticed by their captain. On the day she left, Agari asked her to play one match with her before leaving but refused. She has a talent for ventriloquism that involves talking with her hairpin she calls Kumanosuke.

(Source: Wikipedia)