The oldest granddaughter of Giboshi Geparuto, who runs a famous sushi restaurant "Cho Kanda Sushi" in Kanda district. She is a relative of Ryotsu (their grandparents were siblings). She works as traffic police in Katsushika Police Station. Her birthday is April 30th, blood type is O, height 173 cm, weight 50 kg, BWH is E85・W59・H84. Since she is also raised in a rural area, she is good at many traditional Japanese toys and activities that rival or even exceed Ryotsu's skill level.