|Nickname:||Mouse, Rat, Eve|
Height: 178 cm
Weight: 68 kg
Nezumi is a fugitive who is on the run from the police after escaping from prison. He sneaks into Shion's house after being shot. Nezumi gets treated and sheltered by him for a night, then disappears without a trace in the morning.
He hates No.6 and appears to know something about the city that no one seems to know.
Voiced by: Yoshimasa Hosoya