Hei Hei, who is proficient in human language, was injured while foraging and was sent to a pet hospital by a kind person. He has a strong aura but has difficulty getting along with other pets. By coincidence, Lynch, an introverted boy, picked up this unique kitten at a glance.
By chance, Lynch discovered Heihe's secret identity as a detective. Under the leadership of Hehe, Lynch walked into the orderly, mysterious and warm adventure world...
Concept: A warm and cold story on an adventure journey