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. Now the gap-bridging detective duo is on the case!

Cast

Junichi Suwabe

Keiichiro Nagumo (voice)

Kana Hanazawa

Mashiro (voice)

Kengo Kawanishi

Taro Nezu (voice)

Tomokazu Sugita

Cheerful Old Man / Nipple-Tasting Man / Cross Chest Hair Man / Man Who Likes Ropes (voice)

Saya Horigome

Asunaro's Fan (voice)

Shoumaru Zouza

Takako's Husband / Ken (voice)

Chado Horii

Cerberus (voice)

Haruna Mikawa

Cafe Staff (voice)

Kozue Saito

Granny (voice)

Amane Shindo

Mako Hachiya (voice)

Taichi Takeda

Skin (voice)

Taisuke Nakano

Intellectual (voice)

S

Seisuke Fujiwara

Nishino (voice)

Volcano Ota

Big Brother (voice)

Takayuki Nakatsukasa

Boss (voice)

Yuu Hayashi

Hayashida (voice)

Mitsuhiro Ichiki

Underwear Thief (voice)

Tsuguo Mogami

Police Officer (voice)

Yusuke Shirai

Knit Man (voice)

Tomohiro Yamaguchi

Yuu Asunaru (voice)

Seasons

12 episodes

Season 12025 · 12 episodes