A Happy alien, Takopi, lands on Earth with one mission: to spread happiness! When he meets Shizuka, a lonely fourth grader, he vows to bring back her smile using his magical Happy Gadgets. But as he uncovers the pain in her life, Takopi learns that true happiness may require more than gadgets.
Takopi's Original Sin (2025) is a animation, drama and sci-fi & fantasy series that premiered on June 28, 2025, spanning 1 season and 6 episodes. It stars Kurumi Mamiya, Reina Ueda, Konomi Kohara and Anna Nagase. Viewers rate it 8.8 out of 10 across 200 ratings.
Watch the official trailer for Takopi's Original Sin before you start streaming.
Kurumi Mamiya
as Takopi (voice)
Reina Ueda
as Shizuka Kuze (voice)
Konomi Kohara
as Marina Kirarazaka (voice)
Anna Nagase
as Naoki Azuma (voice)
Executive produced by Shinya Watanabe.
Average viewer score of 8.8/10 from 200 ratings.
Takopi’s Original Sin follows an innocent alien whose attempt to help two deeply troubled children unravels layers of trauma, blurred morality, and fragile emotional worlds. As their intertwined struggles lead to tragedy and a powerful twist, each character is forced to confront their past to understand what happiness truly means. Technically polished and emotionally heavy, the series explores darkness not for…
Reviewed on December 1, 2025
2020
2021
2019
2014
2008
2016
2019
2020
2023
2004
2023
2021
2007
2012
2018
2017
2019
2021
2025
2014
1997
2013
2019
1987
2023
2024
2024
2024
2024
1987
2012
2013
2013
2013
2014
2002
2025
2025
2013
2014
Takopi's Original Sin (2025) is available to stream on Crunchyroll and Crunchyroll Amazon Channel, with episodes also available to buy from Amazon Video and Apple TV Store. Availability comes from JustWatch data and varies by country.
Takopi's Original Sin has 1 season and 6 episodes in total, starting from its premiere on June 28, 2025.
No. Takopi's Original Sin is marked as ended, with the final episode airing on August 2, 2025.
Takopi's Original Sin (2025) stars Kurumi Mamiya, Reina Ueda, Konomi Kohara and Anna Nagase. The full cast list with character names is available in the cast section of this page.
Takopi's Original Sin (2025) is rated 8.8 out of 10 from 200 viewer votes, and suits viewers who like animation, drama and sci-fi & fantasy series. Reviews from viewers are collected further down this page.
The official Takopi's Original Sin trailer is embedded in the trailer section of this page and plays instantly in your browser.
