Majin Kanoko

Favorite food: Seiji (Protagonist) Energy

Kanoko who has awakened as a Devil.
While she has become more bold due to her desire released, her earnest personality is still the same.
She boast an astounding magic power and fighting ability.
Just how she become like is something to see in the main story.

Spoiler

It is revealed later in story that Kanoko is descended from a human and Majin Agares. In the story, she experiences an atavism that cause her Majin blood to awaken.