# Mamahaha no Tsurego ga Motokano datta
*Also known as: My Stepmom's Daughter is My Ex / 継母の連れ子が元カノだった*

## Facts
- Format: TV
- Status: concluded
- Year: 2022
- Season: SUMMER

## Renewal Score
**Mamahaha no Tsurego ga Motokano datta** has a **54% renewal probability** on Courcast (confidence: 81%) as of 2026-06-03.

## Synopsis
Ah, high school. Is there any better place to start fresh after a horrible middle school relationship? Nope! Not unless your ex ends up at the same school as you and is now your stepsibling. What was supposed to be a sanctuary of peace where I could avoid ever seeing her again has become a living nightmare! Everywhere I look, I see her—in my house, in my school, in my class. There's no escape! She even claims that she’s the older sibling. Like hell she is! But I won't lose to her. After all, I'm

## 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/mamahaha-no-tsurego-ga-motokano-datta-summer-2022
- API: https://courcast.com/api/public/titles/mamahaha-no-tsurego-ga-motokano-datta-summer-2022
- About Courcast: https://courcast.com/about

*Last updated: 2026-06-03*