Once a legendary detective, Nagumo Keiichiro now stumbles through middle age baffled by smartphones and modern life. His quiet decline gets disrupted when Mashiro, a bold high school girl, bursts into his office demanding to become his apprentice. Though he's rusty and set in his ways, her relentless enthusiasm drags him back into detective work.
諏訪部順一
as Keiichirō Nagumo (voice)
花澤香菜
as Mashiro (voice)
山口智広
as Yū Asunaro (voice)
平野綾
as Hana Kazamaki (voice)
杉田智和
as Nipple-Tasting Man / Cross Chest Hair Man / Man Who Likes Ropes (voice)
堀井茶渡
as Cerberus (voice)
河西健吾
as Tarō Nezu (voice)
ファイルーズあい
as Azuha Hoshino (voice)
和多田美咲
as Fū-chan (voice)
加瀬康之
as Sōya Mimasaka (voice)
飯島肇
as Coach (voice)
