# Okaa-san ni Naisho
*Also known as: Don't tell Mom / おかあさんにないしょ*

## Facts
- Format: ONA
- Status: concluded
- Year: 2015

## Renewal Score
**Okaa-san ni Naisho** has a **45% renewal probability** on Courcast (confidence: 21%) as of 2026-07-27.

## Synopsis
A nocturnal education film, designed to help children develop their emotions and expressions as well as language and physical skills by enjoying singing and exercising with a big brother. 
(Source: Official Youtube Channel)

## 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/okaa-san-ni-naisho-2015
- API: https://courcast.com/api/public/titles/okaa-san-ni-naisho-2015
- About Courcast: https://courcast.com/about

*Last updated: 2026-07-27*