# Oshiri Tantei: Sufuure-tou no Himitsu
*Also known as: 映画おしりたんてい スフーレ島のひみつ*

## Facts
- Format: MOVIE
- Status: concluded
- Year: 2021
- Season: SUMMER

## Renewal Score
**Oshiri Tantei: Sufuure-tou no Himitsu** has a **13% renewal probability** on Courcast (confidence: 56%) as of 2026-06-03.

## Synopsis
The story follows Butt Detective and his assistant Brown as they solve a difficult case on Souffle Island, where people ride the wind and fly in the sky.
(Source: Comic Natalie, translated)

## About Courcast
Courcast forecasts anime renewal probability using daily signals from streaming platforms, fan communities, and industry sources. Each CourScore (0–100) reflects fandom momentum, streaming performance, source material runway, and franchise history.

- Full details: https://courcast.com/title/oshiri-tantei-sufuure-tou-no-himitsu-summer-2021
- API: https://courcast.com/api/public/titles/oshiri-tantei-sufuure-tou-no-himitsu-summer-2021
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*