Rasetsu is a girl who has the ability to see ghost, when she was young she was attacked be an evil spirit. After the attack she was traumatized and a group of exorcists decided to help her.
Several years later a young man a joins this group to lend his powers, Yakou Hoshino has the ability to create barriers made of water. Rasetsu is little by little falling in love with Yakou but not everyone in the group knows that the evil spirit that attacked her, left a shaped mark on her chest.
Rasetsu has mysteries of her own including the fact that she’s cursed by an evil spirit, and not for nothing she resembles to a very powerful exorcist guardian ghost.
Will Rasetsu defeat this curse and this evil spirit?
Who is this Yakou?