Ningyo Ouji

Amada Ten

Main

A priest who runs into the succubus Youko by mistake. His pure essence makes him Youkos target for feeding....

Kitsuo/wakame

Main

The merman who rescues Minako after she falls in a pond. He falls in love with her at first sight and tracks her down, and the two begin living together in her apartment. He can change between human male and female forms at will, and Minako calls him eith...

Kouno Kayako

Main

When she is asked out by her manager, Kayako begins seeing her dead ex-boyfriend, Takuto....

Nanai Minako

Main

An office worker who is dumped by her boyfriend (who is also her subordinate) for being too "manly" and "not cute". She gets drunk and falls into a pond, and is rescued by a merman she names Kitsuo, whom she takes in....

Takuto

Main

Kayakos ex-boyfriend. He died three years prior to the events of the story, but his jealousy at Kayako moving on makes him visible to her, although he used to flirt with other women while in a relationship with Kayako....

Youko

Main

Youko is a female kitsune youkai whom Kantarou named. At the beginning of Tactics, Youko had already been living with Kantarou. She is loud and impulsive, and often loses her temper towards Kantaoru. Youko has the ability to make her fox ears appear and d...

Marie

Supporting

Marie is a nurse on the Sabaody Archipelago. She was helping transport a wounded man to a nearby hospital, when they encountered Saint Charloss, a Tenryuubito. Saint Charloss then refuses to let Marie pass with the wounded man ,and then kicks the heavily ...

Ogasawara

Supporting

Kayaos manager. He asks her out....

Tomita

Supporting

Minakos subordinate and ex-boyfriend. He calls Minako "manly" and "not cute" behind her back, and looks down on her work....