# Mattsu to Yanma to Moburi-san: Nanatsu no Hihou to Soratobu Oshiro
*Also known as: Mattsu, Yamma and Moburi - The Mystery of the Seven Gems and the Flying Castle / マッツとヤンマとモブリさん ―七つの秘宝と空飛ぶお城―*

## Facts
- Format: ONA
- Status: concluded
- Year: 2013
- Season: FALL

## Renewal Score
**Mattsu to Yanma to Moburi-san: Nanatsu no Hihou to Soratobu Oshiro** has a **28% renewal probability** on Courcast (confidence: 88%) as of 2026-06-03.

## Synopsis
Mattsu and Yamma are two boys who live in Matsuyama. Their favourite pastime is looking for "the seven wonders of Matsuyama".
One day, two men appear. What are the 7 hidden gems that they seek?
Moburi, a high school girl who is like an older sister to the boys, also gets caught up in the adventure as this thriling story set in Matsuyama begins.
Faced with all kinds of trouble, what will they choose for the future of their city? 
(Source: Official Site)

## 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/mattsu-to-yanma-to-moburi-san-nanatsu-no-hihou-to-soratobu-oshiro-fall-2013
- API: https://courcast.com/api/public/titles/mattsu-to-yanma-to-moburi-san-nanatsu-no-hihou-to-soratobu-oshiro-fall-2013
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*