Tezuka Osamu ga Kieta?! 20-seiki Saigo no Kaijiken

(Esta sinopse está em inglês. Ajude a comunidade traduzindo!)

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New Year's Eve 2000. An eternally juvenile Tezuka Osamu meets his creations for a New Year's Eve party at the Dr. Tenma's mansion, but before the event begins he suddenly disappears from his room in what looks like a kidnapping. A classic mystery setting for, at the end, a lovely homage to the man behind the genius.

(Source: AniDB)