Takumi often works overtime and gets home after dark. At least his beloved Maltese puppy, Leo, is always happy to greet him when he returns home. One day, Takumi wakes up in an unfamiliar forest… and right in front of an enormous wolf! Wait, could that gigantic canine actually be his once-little Leo?! With the help of a mysterious new magic power, Takumi will do his best to make a laid-back, easy life for himself and his furry best friend!