Taki is a working man who takes care of the cat, Shima. In the begining of the story, it is revealed that he had to recently break up with his boyfriend due a marrige.
Taki has a habit of leaving his bag open while sitting at bus stops. After he finds Shima and Fuji (as cats) in there, he always makes sure to check his bag after arriving home to his apartment due to a fear of finding another cat.