A puppy he encounters on the road on his way to the university. Cat lover Yukihisa mistakenly thinks the puppy is a cat, and without hesitation, he puts it away in his bag! His best friend, Kazumi, tells him, "It's just dirty, but it's not a mikeneko! He does not listen to his best friend, Kazumi, who tells him, "It's just dirty and not a mikeneko! Finally, he names the puppy Mikeco and starts keeping it. Here comes a heartwarming pet manga about Mike, a dog who easily accepts being treated as a cat, and a college student, Yukihisa, who literally loves the cat.