- Episode.1 "Sute Yama Tantei-sha Monogatari～『 Anan Kouta-Kun Yukai Jiken 』ni Chokozai no Nakama tachi ga Idomu"
Maiko (Chiaki Kuriyama) opens her own private detective office. Maiko then receives the case of a missing 3-year-old boy.
Episode.2 "ATARU Kanzen Shinsaku Special - New York kara no Chousenjou!!"
Tasuku (Masaki Okada) is Ataru's younger brother. Tasuku becomes a suspect in a serial murder cases. I order to save Tasuku, Ataru comes back to Japan from New York. Ataru tries to solve the case with Maiko, but Madoka (Maki Horikita) blocks them.