Asaho Takahashi (高橋 麻穂, Takahashi Asaho) is a Japanese art director, art designer and background artist.
Humans live in the world of Assiah, demons in Gehenna. The two dimensions are not meant to interfere with each other, but demons still possess creatures in Assiah in spite of this. The humans who can fight these demons are known as exorcists. Rin Okumura is a boy who bears the curse of being Satan's illegitimate son. His foster father sacrificed himself to save him from demons. To avenge his foster father's death as well as to prove himself, Rin decides to follow the path of an exorcist and defeat his own father, Satan. To hone his raw skills, Rin enters True Cross Academy to train with other exorcist candidates.
Natsuo is a high school boy who is experiencing the crushing despair of unrequited love. To make matters worse, the person he is in love with is his teacher, Hina. In an attempt to lift his spirits, he attends a mixer where he meets a girl named Rui. The two sleep together, expecting never to see one another again, but fate has other plans. His life suddenly becomes more complicated when his father comes home and announces he has remarried a woman with two daughters whom Natsuo has met before: Hina and Rui!
On his way home from drinking his sorrows away after being rejected by his crush, 26 year old salaryman Yoshida finds a high school girl named Sayu sitting on the side of the road and ends up letting her stay at his place overnight. Not having the heart to put the runaway out on the streets, Yoshida allows her to stay at his place... And so began the awkward, irritable, and slightly heartwarming relationship between a runaway high school girl and a salaryman living together.