Takopi’s Original Sin #[nn]

History

Taizan 5 entered the Shueisha ecosystem in September 2020 by posting the one-shot 'Sanka' (Paean) to Jump Rookie!, winning the Editor's Expectations Award, then built a following on Shōnen Jump+ with short works before Takopi. According to creator interviews, the concept grew out of a conversation with his editor (credited as 'F Ta'), who encouraged him to write from personal enthusiasm; being a devoted Doraemon fan, Taizan 5 conceived the premise as a deliberate dark inversion of that formula, pairing an alien helper and his Happy Gadgets with a child whose problems are genuinely and brutally beyond any gadget's reach. The editorial team settled on a two-volume ceiling from the outset, which shaped Taizan 5's approach: he spent one to two weeks drafting a complete chapter-by-chapter outline and storyboards before beginning serialization on December 10, 2021, and concluded on March 25, 2022. Shueisha simultaneously published the chapters in English through its Manga Plus service; Viz Media then licensed the full work in February 2023 and released it as a single collected omnibus volume on November 21, 2023, with English translation by JN Productions, adaptation by Annette Roman, and lettering by Stephen Dutro.

Trivia · 8 facts

• Written and illustrated entirely by Taizan 5 (story and art); no separate writer/artist split.
• Originally serialized on Shueisha's Shōnen Jump+ web platform from December 10, 2021, to March 25, 2022, comprising exactly 16 chapters collected into two Japanese tankōbon volumes (March 4 and April 4, 2022).
• The series was the first title in Shōnen Jump+'s history to exceed two million views per day on the platform.
• Viz Media licensed the manga in February 2023 and published the complete English-language edition as a single omnibus volume on November 21, 2023 (ISBN 9781974740345, 416 pages).
• The work is a genre deconstruction: its central premise — a cute alien with magical gadgets attempts to help a troubled child — deliberately subverts the Doraemon template by confronting suicide, bullying, child abuse, and moral culpability in a realistic contemporary setting.
• Takopi's Original Sin won the Excellence Prize (Manga Kingdom Tottori Award) at the 51st Japan Cartoonists Association Awards in 2022, and was simultaneously nominated for the 16th Manga Taishō, the 27th Tezuka Osamu Cultural Prize, and the 54th Seiun Award (Best Comic category) in 2023.
• A six-episode original net animation (ONA) adaptation, produced by Enishiya with TBS Television handling planning and production, aired from June to August 2025; it was directed and written by Shinya Iino, with music by Yoshiaki Fujisawa.
• Taizan 5 followed this work with The Ichinose Family's Deadly Sins, which began serialization in Weekly Shōnen Jump in November 2022, establishing him as a recurring presence in Shueisha's flagship print magazine after his digital debut.