The Demon The Angel and The one in between (Though not literally)

Yuna Yaguri didn't think twice when she brought a hedgehog home one rainy day, a friend was all she wanted.

Before meeting his 'Angel-chan' Lawless found himself in the company of a sweet young girl, unable to bring himself to kill her he continues to stay with her and grows fond of her.

She was overjoyed at having a new companion.

He planned on making her his Eve.

But that all changed one faithful day.