TV series
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!
Streaming, rental and purchase options
Checked Jul 22, 2026
A Couple of Cuckoos is available to stream on Crunchyroll Premium (Via Amazon Prime) in United States. You can also buy it from Amazon and Apple TV. Use the direct links below to open the provider.
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!
Choose an episode, then use the watch options above for the show.
Episode 1
Umino Nagi was swapped with another child at birth. He’s going to meet his real parents today, but on his way to school, he meets a girl who is threatening to die to get out of her engagement.
Directed by Yoshiyuki ShirahataWritten by Yasuhiro NakanishiGuest stars Yuko Mori, Moai Iwashita, Yuuto Suzuki, Yoshitsugu Kawashima, Yujiro Kakuda
Episode 2
Nagi and Erika are now engaged, but Nagi can’t wrap his head around how loaded Erika is, and Erika seems to have concerns of her own.
Directed by Mayu NumayamaWritten by Yasuhiro NakanishiGuest stars Yuko Mori, Ryosuke Higa, Keiichi Tsujita
Episode 3
Living together with Erika gives Nagi an opportunity to focus on exam prep, except when they run into trouble.
Directed by Yoshitaka NagaokaWritten by Yasuhiro NakanishiGuest stars Natsuko Hara, Yuna Taniguchi, Misaki Watanabe, Makoto Koichi, Konomi Inagaki, Gen Sato, Kentaro Shimoda, Yuto Nakano
Episode 4
Having scored higher than anyone else in his grade, including Hiro, Nagi decides to finally confess to her.
Directed by Shuuji SaitouWritten by Yasuhiro NakanishiGuest stars Natsuko Hara, Yuna Taniguchi, Gen Sato, Kentaro Shimoda, Shota Hayama, Takeru Kikuchi
Episode 5
Hiro and Nagi begin studying together in the mornings, but unexpected circumstances put a wrench in their relationship.
Directed by Chihiro KumanoWritten by Yasuhiro NakanishiGuest stars Natsuko Hara, Makoto Koichi, Konomi Inagaki, Gen Sato, Kentaro Shimoda, Yuna Taniguchi, Yuto Nakano, Shota Hayama
Episode 6
Erika joins Nagi’s and Hiro’s morning study sessions to wingman for Nagi, and Hiro wants to come hang out at her place.
Directed by Yoshiyuki ShirahataWritten by Yasuhiro NakanishiGuest stars Misaki Watanabe, Yuko Mori, Yuuto Suzuki, Yoshitsugu Kawashima, Yujiro Kakuda
Episode 7
Nagi invites Hiro to join his group for a school field trip. The group is plunged into chaos with the addition of a couple more members.
Directed by Marina MakiWritten by Yasuhiro NakanishiGuest stars Yuri Sakuma, Hisayo Ichikawa, Misaki Yuuki, Toshiyuki Manabe, Yoshitsugu Matsuoka
Episode 8
Sachi notices something going on between Erika and Nagi and decides to try to get to the bottom of it. Both she and Nagi are on the verge of a big decision.
Directed by Yoshitaka NagaokaWritten by Yasuhiro NakanishiGuest stars Keiichi Tsujita, Yuko Mori, Keisuke Kimura, Kentaro Shimoda, Toshiyuki Manabe, Aino Shimada
Episode 9
Hiro and Nagi go on date at the amusement park. Sachi is not amused.
Directed by Takatoshi SuzukiWritten by Yasuhiro NakanishiGuest stars Satoshi Inomata, Tomoya Ito, Nao Ojika, Reina Kawamura, Aino Shimada
Episode 10
Sachi and Nagi go shopping together for a Mother’s Day gift, but they can’t think of anything their mother would appreciate
Directed by Chihiro KumanoWritten by Yasuhiro NakanishiGuest stars Shinya Takahashi, Hiroshi Watanabe, Moai Iwashita, Aino Shimada
Episode 11
Erika and Nagi are stuck in a power outage. Nagi goes to the front door to find an emergency kit, when the unthinkable happens.
Directed by Shuuji SaitouWritten by Yasuhiro NakanishiGuest stars Mitsuki Nakamura, Jun Magosaki, Saya Fukuzumi, Arisa Ida
Episode 12
Nagi tries to redeem himself after embarrassing himself in front of Hiro on their amusement park date.
Directed by Mayu NumayamaWritten by Yasuhiro NakanishiGuest stars Ryosuke Higa, Keiichi Tsujita, Yuko Mori, Gen Sato, Kentaro Shimoda
Episode 13
Nagi is beginning to question his own feelings, and he has trouble even focusing on midterms.
Directed by Yoshitaka NagaokaWritten by Yasuhiro NakanishiGuest stars Gen Sato, Kentaro Shimoda, Yuna Taniguchi, Makoto Koichi, Natsuko Hara, Yuto Nakano, Shota Hayama, Takeru Kikuchi
Episode 14
Erika’s parents want her to come home if she fails her make-up exams. She asks Nagi for help, but it may not be that easy.
Directed by Takatoshi SuzukiWritten by Yasuhiro NakanishiGuest stars Yuto Nakano, Natsuko Hara, Ryosuke Higa, Shinya Takahashi
Episode 15
Erika and Nagi walk around the festival together, and she shocks him with how out-of-touch she is.
Directed by Fumio MaezonoWritten by Yasuhiro NakanishiGuest stars Ryosuke Higa, Yuuto Suzuki, Yoshitsugu Kawashima, Yujiro Kakuda, Jun Magosaki, Saya Fukuzumi, Arisa Ida
Episode 16
Sachi is worried about Hiro, so she brings Erika along to follow her and learn about her.
Directed by Nobuyoshi AraiWritten by Yasuhiro NakanishiGuest stars Shota Hayama, Takeru Kikuchi, Yoshitsugu Matsuoka, Aino Shimada, Jun Magosaki, Saya Fukuzumi, Arisa Ida
Episode 17
Erika, Hiro, Sachi and Nagi make plans to study at Erika’s vacation house, but there ends up being a slight change in the roster.
Directed by Yoshiaki OkumuraWritten by Yasuhiro NakanishiGuest stars Yoshitsugu Matsuoka
Episode 18
Nagi is hoping to do the test of courage with Hiro, but Erika takes him instead. Nagi can’t figure out what it is that’s bothering her.
Directed by Shuuji SaitouWritten by Yasuhiro NakanishiGuest stars Yoshitsugu Matsuoka, Yuko Mori
Episode 19
Erika reveals who it is that she’s been trying to reach through social media.
Directed by Masaya SasakiWritten by Yasuhiro NakanishiGuest stars Natsuko Hara, Yoshitsugu Matsuoka, Aino Shimada, Saya Fukuzumi
Episode 20
Nagi discusses with Erika what he learned – or tried to learn – from her father.
Directed by Fumio MaezonoWritten by Yasuhiro NakanishiGuest stars Go Imakiire, Hana Sato, Satsuki Kokubu
Episode 21
Having topped his grade in the term exams, Nagi confesses to Hiro once again.
Directed by Takatoshi SuzukiWritten by Yasuhiro NakanishiGuest stars Moai Iwashita, Shota Hayama, Takeru Kikuchi, Yoshitsugu Matsuoka, Kentaro Shimoda, Gen Sato
Episode 22
Erika, Hiro, Sachi, and Nagi spend more time at the beach home retreat, and eventually, clues about Erika's missing older brother are found. This incites Nagi to search for him around the nearby town with Erika by his side.
Directed by Yoshiaki OkumuraWritten by Yasuhiro NakanishiGuest stars Aino Shimada, Yurie Kozakai
Episode 23
On the day Nagi, Erika, Sachi, and Hiro are to return home, Nagi and Hiro decide to stay behind to collect a shrine stamp from the local temple. However, become of this, their train ride home is canceled due to the stormy weather, thus forcing them to stay at a local inn where things get strangely intimate.
Directed by Tomio YamauchiWritten by Yasuhiro NakanishiGuest stars Wakana Kowaka, Yuu Kanda, Arisa Ida
Episode 24
The household visits the diner to attend Yohei's birthday party and learn some family secrets surrounding them. The next day after a study session, Erika succumbs to a cold that she caught, and the household, including Hiro, scrambles to help her through it.
Directed by Chihiro KumanoWritten by Yasuhiro NakanishiGuest stars Yoshitsugu Matsuoka
Episode information updated Jul 23, 2026
Kaito IshikawaNagi Umino (voice)
Akari KitoErika Amano (voice)
Nao ToyamaHiro Segawa (voice)
Konomi KoharaSachi Umino (voice)
Hina YoumiyaAi Mochizuki (voice)
Ryohei KimuraYouhei Umino (voice)
Yoko HikasaNamie Umino (voice)
Toshiyuki MorikawaSouichirou Amano (voice)
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