# Sirotan: Sirotan ga Ippai!
*Also known as: しろたん しろたんがいっぱい!*

## Facts
- Format: ONA
- Status: concluded
- Year: 2017
- Season: SUMMER

## Renewal Score
**Sirotan: Sirotan ga Ippai!** has a **28% renewal probability** on Courcast (confidence: 62%) as of 2026-06-03.

## Synopsis
Described as a "soft and fluffy" story, the anime features the adventures of Sirotan, a baby seal who likes to nap and dream about many different relaxing activities.
(Source: Crunchyroll)

## 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/sirotan-sirotan-ga-ippai-summer-2017
- API: https://courcast.com/api/public/titles/sirotan-sirotan-ga-ippai-summer-2017
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*