Kuzaku

Also known as "Two-Sword"/"Two-Gun", due to his skillfulness with a set of twin-blades (the Lloigor & Zhar) and twin handguns (Cthugha & Ithaqua). This handsome young man with long, braided hair possesses the aura of a knight. He chases after a girl in red and pilots the Deus Machina Demonbane Two-Sword.

Spoiler

His full name is Kuzaku Daijūji, the son of two Elder Gods from another dimension. After he was born, he was left in the care of Ruri Hadou in the "original world" the visual novel took place in. He has a grudge towards his father for "throwing him away".

"Although i live by the way of magic, however my heart (soul) is dedicated to the chivalry (sword). ---Devil, must be smited."