16-year-old super-studier Nagi Umino, second-year student at the Megurogawa Academy high school, was switched at birth. On his way to a dinner to meet his birth parents, he accidentally meets the brash, outspoken, Erika Amano, who is determined to make Nagi her fake boyfriend as she never wants to actually marry. But once Nagi makes it to dinner, he finds his parents have decided to resolve the hospital switch by conveniently having him marry the daughter his birth parents raised...who turns out to be none other than Erika herself!
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Kaito Ishikawa
Nagi Umino (voice)
Akari Kito
Erika Amano (voice)
Nao Toyama
Hiro Segawa (voice)
Konomi Kohara
Sachi Umino (voice)
Hina Youmiya
Ai Mochizuki (voice)
Ryohei Kimura
Youhei Umino (voice)
Yoko Hikasa
Namie Umino (voice)
Toshiyuki Morikawa
Souichirou Amano (voice)
Yukiko Aruga
Rituko Amano (voice)
All 36 episodes plotted by IMDb rating
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24 episodes • 2022Avg: 7.1
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | You're going to be my boyfriend. | Apr 24, 2022 | 8.0 |
| 2 | I'm not going to marry you. | May 1, 2022 | 7.2 |
| 3 | You aren't going to beat me!!!! | May 8, 2022 | 7.7 |
| 4 | Would you please go out with me...? | May 15, 2022 | 7.3 |
| 5 | Can we do our morning study sessions together...? | May 22, 2022 | 7.3 |
| 6 | I thought you live by yourself. | May 29, 2022 | 7.0 |
| 7 | Is my fate going to change? | Jun 5, 2022 | 7.8 |
| 8 | Are you going to marry him? | Jun 12, 2022 | 8.2 |
| 9 | The Kuroshio currents beckon to me. | Jun 19, 2022 | 7.0 |
| 10 | Don't treat me like your kid sister. | Jun 26, 2022 | 7.0 |
| 11 | I can't forget that just happened. | Jul 3, 2022 | 6.8 |
| 12 | It's not that I like you, yet. | Jul 10, 2022 | 7.3 |
| 13 | Things aren't quite working out, are they? | Jul 24, 2022 | 6.8 |
| 14 | Walls exist to be overcome!! | Jul 31, 2022 | 7.0 |
| 15 | We have to tell her... about our secret! | Aug 7, 2022 | 7.0 |
| 16 | I want to talk about now. | Aug 14, 2022 | 6.8 |
| 17 | Anything could happen right now! | Aug 21, 2022 | 5.2 |
| 18 | Who is that person? | Aug 28, 2022 | 7.6 |
| 19 | You must have noticed by now. | Sep 4, 2022 | 7.0 |
| 20 | I want to grow up already! | Sep 11, 2022 | 7.4 |
| 21 | It's a secret between you and me. | Sep 18, 2022 | 6.5 |
| 22 | I'll Be There With You | Sep 25, 2022 | 7.0 |
| 23 | What Should We Do Now? | Oct 2, 2022 | 6.5 |
| 24 | All That Matters Is That You Two Are Happy | Oct 2, 2022 | 6.8 |
12 episodes • 2025Avg: 7.3Golden Era
| # | Episode | Air Date | Rating |
|---|---|---|---|
| 1 | Who Was Umino-kun's First Love? | Jul 8, 2025 | 7.0 |
| 2 | Onii Confessed to You, Didn't He? | Jul 15, 2025 | 7.0 |
| 3 | That, but Times a Hundred | Jul 22, 2025 | 7.0 |
| 4 | I See You're All Together | Jul 29, 2025 | 6.5 |
| 5 | It's My Life, Too! | Aug 5, 2025 | 7.0 |
| 6 | There's No Way I Can Be Normal!! | Aug 12, 2025 | 8.3 |
| 7 | It's Ours to Build! | Aug 19, 2025 | 7.0 |
| 8 | No Such Thing as a Meaningless Kiss | Aug 26, 2025 | 7.0 |
| 9 | The Real Enemy is Sachi-chan!! | Sep 2, 2025 | 7.5 |
| 10 | I Know, Nagi-kun! Let's Take Pictures for Memory's Sake! | Sep 9, 2025 | 7.7 |
| 11 | I Found Him Attractive for the First Time | Sep 16, 2025 | 8.0 |
| 12 | Thank You for Falling in Love with Me | Sep 23, 2025 | 8.0 |
