4 Shimai Tantei Dan (2008)
Original title: ４姉妹探偵団
4 Shimai Tantei Dan is a 2008 Japanese-language action & adventure series created by Jirō Akagawa and Takuro Fukuda. It stars Kaho, Noriko Nakagoshi and Natsuki Kato.
The story features a team of four sleuthing sisters.