Reki is the Snipe department's ace. Butei rank S. Real name is unknown. She's habitually taciturn, constantly impassive and indifferent in fashion. She's always seen with a large headphone over her head. Her signature quote is "I am a single bullet. It has no heart. Therefore, it does not think. It just flies straight towards its target", which she always says before she shoots her target. She can shoot anything without missing her target within 2km radius. Her personal weapon is a Dragunov sniper rifle.