A certain boy and girl in middle school became lovers, flirted with each other, disagreed on trivial things, became more frequently irritated with each other rather than excited... and ended up breaking up at graduation. And so the two of them, Mizuto Irido and Yume Ayai, wound up meeting each other in the most unexpected fashion.

The series follows the daily lives of a naughty female cat named Azuki and a quiet male cat named Daizu who live with their owner, a 30 year old office lady, and her extended family, including an otaku elder brother and an adopted shiba inu dog who thinks he's a cat.

"Beatrice". It is a mysterious power that responds to people’s will and realize all of them. Tokyo Beatrice University Attached High School is the only school that teaches Beatrice called "magic appears in the real world". Yoshimura Mamoru is a high school boy who was saved by Beatrice miraculously when he was a child. At the first day of the school, he meets a girl under the cherry trees on his way to the school. She orders him to go out with her. Her name is Takasu Ayako. She is in the second grade and one year older than him. She is a director of student committee of discipline. Also, she is a granddaughter of a big-name politician, very beautiful, and a genius Beatrician who can even shoot a satellite down. She is called Witch Beatrice or Death Angel in Beatrice, but in fact, she is a pure-hearted girl.

Tasuke Shichiri is the envy of his friends because since his parents are always traveling he can do as he pleases. It's a surprise present from his father that keeps him from being lonely: an odd ring known as the shitenrin. From it comes a moon goddess named Shaorin, dedicated to protecting her "master" -- no matter how much of a mess she makes doing it!