刚出生时被抱错的高中生海野凪终于要和亲生父母见面了。当天，凪偶然遇到名门女子学校的女高中生天野绘里香，为了帮助不想和未婚夫结婚的她，他答应了她的请求，半强行地扮演了她男朋友这一角色……然而，这两个人刚好是当时被抱错的孩子，两人之间已经定下了婚约！父母之间为了让彼此都能保有这两个孩子，为他们两人订下婚约，让他们开始同居生活。喜欢同班同学濑川弥的凪和反对父亲决定的绘里香，两人定下了“相互之间不干涉”这一规矩。闻所未闻的，命运交错的恋爱喜剧，就此开幕！
杜鹃的婚约 (季节 2)
Who Was Umino-kun's First Love? (集 1) 7.0
编剧: Masakazu Hishida
播出日期: 2025-07-08
运行时间: 24 min
概述: Hiro moves in with Nagi, Sachi and Erika. Friction arises, but they're reminded of what happiness might mean.
Onii Confessed to You, Didn't He? (集 2) 7.0
编剧: Masakazu Hishida
播出日期: 2025-07-15
运行时间: 24 min
概述: Hiro is kidnapped and Nagi immediately sets out to save her.
That, but Times a Hundred (集 3) 7.0
播出日期: 2025-07-22
运行时间: 24 min
概述: Nagi is suddenly hit with the truth about Ai’s real objective.
I See You're All Together (集 4) 6.5
播出日期: 2025-07-29
运行时间: 24 min
概述: Hiro is preparing for a festival that's about to be held at her shrine.
It's My Life, Too! (集 5) 7.0
播出日期: 2025-08-05
运行时间: 24 min
概述: The world now knows the face of singer Mochizuki Ai, who created the song “Arc Fault.”
There's No Way I Can Be Normal!! (集 6) 8.3
播出日期: 2025-08-12
运行时间: 24 min
概述: Nagi and Erika are trapped in a hotel room by her mother, who seems to be playing with them.
It's Ours to Build! (集 7) 7.0
播出日期: 2025-08-19
运行时间: 24 min
No Such Thing as a Meaningless Kiss (集 8) 7.0
播出日期: 2025-08-26
运行时间: 24 min
The Real Enemy is Sachi-chan!! (集 9) 7.5
播出日期: 2025-09-02
运行时间: 24 min
I Know, Nagi-kun! Let's Take Pictures for Memory's Sake! (集 10) 7.7
播出日期: 2025-09-09
运行时间: 24 min
I Found Him Attractive for the First Time (集 11) 8.0
播出日期: 2025-09-16
运行时间: 24 min
Thank You for Falling in Love with Me (集 12) 8.0
播出日期: 2025-09-23
运行时间: 24 min
