A member of the Red Tails who can use four guns simultaneously.
Not much is known about her past.
Chiaki Tanimura, was created by Ryuhei Tamura, has no information regarding his inspirations to create her. She first appears in Beelzebub volume 1 and episode 7. Her Japanese voice actress is Aoi Yuki.
Her main weapons are water pistols or paint ball guns (manga). She can shoot rapidly and can quickly change multiples by juggling them with both hands.