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The Case Book of Arne

1 season · 2026 · Ended

★★★★★3.1

AnimationMystery

Louis Hartmann loses his father, a private detective investigating a string of murders, leaving him all alone. Rumor has it that the murders are the work of a Grave-Digger Vampire. Louis isn’t keen on superstitions and vows to catch the culprit himself. That is, until a self-proclaimed detective, Arne Neuntöte, and his assistant, Lynn Reinweiß, appear. A new door is about to open for Louis…

Episodes

All seasons

Those Who Dig Pits for Others Will Fall In Themselves

S01 · E01 Those Who Dig Pits for Others Will Fall In ThemselvesJanuary 7, 2026

There Is Always Sunshine After the Rain

S01 · E02 There Is Always Sunshine After the RainJanuary 14, 2026

Misfortune Never Visits Alone

S01 · E03 Misfortune Never Visits AloneJanuary 21, 2026

Those Who Never Gamble Never Win

S01 · E04 Those Who Never Gamble Never WinJanuary 28, 2026

One Swallow Does Not a Summer Make!

S01 · E05 One Swallow Does Not a Summer Make!February 4, 2026

Time Will Tell

S01 · E06 Time Will TellFebruary 11, 2026

Eating Whets the Appetite

S01 · E07 Eating Whets the AppetiteFebruary 18, 2026

Desire and Love Make All Burdens Lighter

S01 · E08 Desire and Love Make All Burdens LighterFebruary 25, 2026

Not All That Glitters Is Gold

S01 · E09 Not All That Glitters Is GoldMarch 4, 2026

Different Countries, Different Customs

S01 · E10 Different Countries, Different CustomsMarch 11, 2026

Birds of a Feather Flock Together

S01 · E11 Birds of a Feather Flock TogetherMarch 18, 2026

All's Well That Ends Well

S01 · E12 All's Well That Ends WellMarch 25, 2026

Cast

Mariya Ise

Mariya IseLouis Hartmann (voice)

Koki Uchiyama

Koki UchiyamaArne Neuntöte (voice)

Aimi Tanaka

Aimi TanakaYoung Arne Neuntöte (voice)

Yuka Nukui

Yuka NukuiLynn Reinweiß (voice)

Yuki Sakakihara

Yuki SakakiharaZisye (voice)

Yuuki Shin

Yuuki ShinNachzehrer (voice)

Yoko Hikasa

Yoko HikasaAmy (voice)