Mystery writer Mikazuki Subaru, who isn't good at dealing with people, finds them to be a disturbance when it comes to building his imaginary world. One day, he chances upon a stray cat and feels inspiration strike, so he brings the cat home as his muse.
Can watching the inexplicable behaviors of a cat form material for a novel?
Yukimura Shinya and Himuro Ayame are two scientists that want to find out if love can be solved by a scientific theory. These two scientists also have feelings for each other and want to be able to solve their feelings through similar theoretical facts. With this perfect opportunity, these scientists will attempt to solve the theory of the love they express for each other.
The anime centers around the titular Ekoda, who works various jobs, and explores the city nightlife. While she has a boyfriend, she is more into casual relationships than taking it seriously. She considers popular girls (which she labels "birds of prey") her natural enemy.