Setsuna

Setsuna is a host at the club "Cross Garden" and appears first in volume 2 to Hinata when Junya is lost. [Spoiler] He is revealed to be the one behind the vampire attacks. [/Spoiler] [Spoiler] He was also in love with Mikage, and wanted to kill Hinata as revenge for Junya stealing Mikage away from him. [/Spoiler]