The "heartwarming comedy" story poses the following premise: "What if you can really transform into an animal?" Riko, Rimu and Nagisa Mikogami are three cute sisters who live in Kamihama, a Japanese city abundant with natural wonders. On an otherwise peaceful day, the three come across a mysterious Kirumin compact in an attic. With the Kirumin, these character-costume-wearing girls can transform into real animals.
Aired: Oct 7, 2015. Aya Tachibana is a sixth-grader who frets and obsesses over friends, family, grades, and more. One day, she joins the "Tantei Team KZ" with four very idiosyncratic boys she met at cram school. There is the glib and attention-grabbing leader Kazuomi Wakatake, the mysterious "expert of personal relationships" Takakazu Kuroki, the smart and stoic math genius Kazunori Uesugi, and the sweet-hearted Kazuhiko Kozuka who is good at social matters and science. Aya finds her place among them as the "language expert." "Tantei Team KZ" gets involved in modern-day cases, and even if they bicker from time to time, they collaborate by pooling each of their talents and skills to solve these cases.
Yako's father was murdered in a locked room. She then meets a man named Neuro Nougami who is a demon from Hell who eats "riddles." He forces Yako to act as a detective so he can solve mysteries. Neuro longs to eat the ultimate mystery.
In the future world, people use â€˜Toysâ€™ that grant them superhuman abilities like ESP and telekinesis. This has led to a boom in both minor crimes and the need for Toy-using detectives to track down the offenders and bring them to justice. Opera Koyabashi runs the detective agency, Milky Holmes, staffed by four cheerful and energetic girls.
In a forgotten town known as the old capital of Tokyo, strange and mysterious crimes are progressively occuring. These supernatural occurances are beyond comprehension and bring fear and terror to the people. Only one person is not intimidated by the evil underlying these occurances and is willing to challenge them: Hyuga Mayuki, a young boy detective who holds a special insight power that allows him to uncover the real truth behind these occurances.