The stories center around Aya Tachibana (pictured center in the image below), a sixth-grader who frets and obssesses over friends, family, grades, and more. One day, she joins the "Tantei Team KZ" (Detective Team Kazs) with four very idiosyncratic boys she met at cram school.
There is the glib and attention-grabbing leader Kazuomi Wakatake (far right), the mysterious "expert of personal relationships" Takakazu Kuroki (far left), the smart and stoic math genius Kazunori Uesugi (top left), and the sweethearted Kazuhiko Kozuka (top right) 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.
Режиссёра я вообще не знаю, а вот сценаристка любопытная, и вторая тоже.