Shiemi has always been bullied because her parents are exorcists. She doesn't believe in demons. But one day, she meets a boy who feels the same as her. How will she feel when she finds out that this boy is the son of Satan?

Kaori Fujimiya and Yuuki Hase have been close friends for a year now, and things between them have been going just fine... until someone from Kaori's past changes everything. Yuuki will stop at nothing to stop Kaori from forgetting. He is determined to make her remember. But along the way, they develop feelings that they never thought they would feel...

Rin is a demon who is bored of living in the world of Gehenna, so he leaves, knowing the consequences. He soon meets Shiemi Moriyama, a bright young tamer who befriends the demon. This is a story about a young duo, whos love will blossom, but will they stay in Assiah, or burn in the flames of Satan?