Quick answer — Takopi's Original Sin: the opening theme is "Happy Lucky Chappy" and the ending theme is "Garasu no Sen".
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. Produced by ENISHIYA, this drama, psychological, and sci-fi series premiered in Summer 2025. The series spans 6 episodes and is currently finished.
Takopi's Original Sin has 6 episodes and is finished.
Takopi's Original Sin was produced by ENISHIYA and released in 2025.
Takopi's Original Sin is classified under Drama, Psychological, Sci-Fi.
Takopi's Original Sin premiered in Summer 2025.
The opening theme of Takopi's Original Sin is "Happy Lucky Chappy".
The ending theme of Takopi's Original Sin is "Garasu no Sen".
Takopi's Original Sin is based on a manga.
Takopi's Original Sin is listed on Crunchyroll, YouTube, YouTube, iQ, Netflix. Availability varies by region.
Character data from AniList.
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