Samatarou is not just an average high-school boy, the truth is that he is the son of a god, his mother is a goddess and his sisters are candidates to become goddesses. They are living in the human world, because they want their boy learn about the human customs and the habits of the creatures that they are protecting, so that in this way Samatarou will become a better god. Tenko is a angel assigned to look after Samatarou. She's born the same day, same year as Samatarou and have been close friends ever since. Life seems normal but things start to change with the appearance of a transfer student named Kumiko. Samatarou falls in love with her and from now on, things will be a lot more different for him. His decision of making her fall in love with him without using his powers will put him in trouble.
Shinichi is in awe as he believes he found the girl of his dreams, but Samatarou has a feeling that he knows her from somewhere. Meanwhile, Tenko is behaving strangely.
Ai keeps growing faster and faster, and unwillingly gives lots of trouble to Samatarou and Tenko.
One by one the members of the Kamiyama family fall before Fumiko's power. Samatarou must find a way to fight her, being careful to not surrender himself to wrath and become a demon himself. He then defeats Fumiko by killing the demon inside him. Tenko and Kumiko save him and Kumiko turns into an angel. At the end Tenko and Samatarou kiss and they all take a photo together.
Tenko receives an order to return to heaven as her duties with Samatarou are completed, but she refuses to do so. Just when Samatarou and Tenko are trying to sort out their feelings for each other, Kumiko returns.
Samatarou finally realizes his feelings for Tenko and breaks up with Kumiko. Kumiko however, tells him all the truth just before the real enemy reveals herself.
A mysterious baby appears before Tenko and Samatarou, and the duo decide to take care of her. Meanwhile, Shinichi is having trouble with his crush.
After finally solving the mystery involving Ai and the wheelchaired girl, things start to heat up between Samatarou and Tenko. Osamu sends Samatarou back in time since he reveals him as God to a human.
Suguru, an Archangel, descends to Earth and accepts Tenko's request to wait three days before she returns to heaven with him. Meanwhile, Kumiko introduces Samatarou to her mother.
The first episode describes Samatarou and Tenko's daily life, and how they and Kumiko met.
Tenko decides to investigate about Kumiko's life and discovers the truth about her.
Tired of their interference, Samatarou convinces his family to transform him into a human, but he was unaware of the consequences of this request.
Samatarou decides to win Kumiko's heart by his own effort, and asks for Tenko's assistance.
Samatarou gets another chance to get along with Kumiko, but faces more trouble when Meme creates a device to control her emotions.