---
title: "My Stepmom's Daughter Is My Ex"
year: 2022
canonical_url: "https://www.archytele.com/show/my-stepmom-s-daughter-is-my-ex-2022"
media_type: "tv"
tmdb_id: 129516
imdb_id: "tt19848112"
status: "Ended"
seasons_count: 1
episodes_count: 12
runtime_minutes: 24
community_rating: 6.7
vote_count: 73
content_rating: "TV-14"
---

# My Stepmom's Daughter Is My Ex (2022) — Television & Cinema Intelligence Dossier

> **Archytele Living Vault Canonical Record**: https://www.archytele.com/show/my-stepmom-s-daughter-is-my-ex-2022

## Executive Summary & Cultural Positioning

My Stepmom's Daughter Is My Ex is a 2022 anime television series created by Kamishiro Kyousuke. The show follows the story of Mizuto and Yume, a former middle school couple who find themselves in an awkward family situation when their parents announce they are getting married, making the two teenagers step-siblings. The series explores their attempts to navigate this new relationship while balancing school life and personal feelings. It premiered in 2022 and is available for streaming on Crunchyroll. The main cast includes Hiro Shimono, Rina Hidaka, Nobuhiko Okamoto, and Miyu Tomita. The plot centers around the unusual dynamic between the main characters as they try to maintain boundaries and respect their parents' marriage while dealing with their past romantic history. Season one episode details and ratings can be found through Moviefone. The series presents a comedic take on blended family relationships and teenage romance.

## The Hook & The Verdict

**The Hook**: "A teenager's plan to escape his past fails when his ex-girlfriend becomes his new stepsister."

### Why Watch
- unique family dynamic
- high school setting

### Caveats & Content Note
- high-stress living situation
- Tone & Suitability: The series features themes of teenage conflict and awkward domestic situations.

**Micro-Themes & Vibe Matrix**: comedic, dramatic, relatable

## Streaming Availability Matrix

| Region | Stream (Subscription) | Free / Ads | Rent / Buy |
| :--- | :--- | :--- | :--- |
| **United States (US)** | Crunchyroll, Crunchyroll Amazon Channel | None | None |
| **United Kingdom (GB)** | Crunchyroll, Crunchyroll Amazon Channel | None | None |
| **Canada (CA)** | Crunchyroll Amazon Channel, Crunchyroll | None | None |
| **Australia (AU)** | Crunchyroll, Crunchyroll Amazon Channel | None | None |

## Season Architecture & Lore Primers

### Season 1 (12 Episodes)
## Filler vs. Essential Episode Classifier

- **Total Tracked Episodes**: 12
- **Crucial Mytharc Episodes**: 3 (25%)
- **Character Core Episodes**: 9 (75%)
- **Side Quest / Filler Episodes**: 0 (0%)

## Key Cast Continuity

- **Hiro Shimono** as *Mizuto Irido (voice)*
- **Rina Hidaka** as *Yume Irido (voice)*
- **Ikumi Hasegawa** as *Akatsuki Minami (voice)*
- **Nobuhiko Okamoto** as *Kogure Kawanami (voice)*
- **Miyu Tomita** as *Isana Higashira (voice)*
- **Ai Kayano** as *Yuni Irido (voice)*
- **Kazuyuki Okitsu** as *Mineaki Irido (voice)*
- **Tasuku Kaito** as *Male Student A (voice)*
- **Akari Tadano** as *Receptionist (voice)*
- **Naoyuki Shimozuru** as *Background (voice)*

## Canonical Frequently Asked Questions

### Q: What is the series about?
It follows a student who discovers his ex-girlfriend has become his stepsister.

### Q: Where does the story take place?
The story is set in a high school and the characters' shared home.

### Q: What is the central conflict?
The protagonist struggles to maintain space from his ex-girlfriend who is now his stepsibling.

### Q: How do the characters relate to each other?
They are former romantic partners who are now living together as stepsiblings.

### Q: Is there a rivalry?
Yes, the characters compete over who is the older sibling in their new family.

## Grounded Source Citations

- [My Stepmom's Daughter Is My Ex (TV Series 2022) - IMDb](https://www.imdb.com/title/tt19848112/)
- [Log In or Sign up | MyChart](https://www.mychart.org/LoginSignup)
- [My Pay Login Site](https://mypay.dfas.mil/)
- [Watch My Stepmom's Daughter Is My Ex - Crunchyroll](https://www.crunchyroll.com/series/G0XHWM44M/my-stepmoms-daughter-is-my-ex)
- [Sign in to your account](https://myapplications.microsoft.com/)
- [My Stepmom's Daughter Is My Ex - Season 1 (2022) - Moviefone](https://www.moviefone.com/tv-shows/my-stepmoms-daughter-is-my-ex/WZCsL407EoH5Mss7AM7xq1/seasons/1/)

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*Generated by Archytele Open Intelligence Systems. Data verified against TMDB and JustWatch APIs.*