第 1 季 共 24 集
播出时间：2022年4月25日
第 1 集 You're going to be my boyfriend.
播出时间：2022年4月25日
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.
第 2 集 I'm not going to marry you.
播出时间：2022年5月2日
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.
第 3 集 You aren't going to beat me!!!!
播出时间：2022年5月9日
Living together with Erika gives Nagi an opportunity to focus on exam prep, except when they run into trouble.
第 4 集 Would you please go out with me...?
播出时间：2022年5月16日
Having scored higher than anyone else in his grade, including Hiro, Nagi decides to finally confess to her.
第 5 集 Can we do our morning study sessions together...?
播出时间：2022年5月23日
Hiro and Nagi begin studying together in the mornings, but unexpected circumstances put a wrench in their relationship.
第 6 集 I thought you live by yourself.
播出时间：2022年5月30日
Erika joins Nagi’s and Hiro’s morning study sessions to wingman for Nagi, and Hiro wants to come hang out at her place.
第 7 集 Is my fate going to change?
播出时间：2022年6月6日
Nagi's class is going on a field trip, and Erika convinces him to go after pointing out a way to allow him to bond with Hiro more. The plan backfires as Nagi becomes invested in Erika as she has pictures taken of her around various places in their field trip destination.
第 8 集 Are you going to marry him?
播出时间：2022年6月13日
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.
第 9 集 The Kuroshio currents beckon to me.
播出时间：2022年6月20日
Hiro and Nagi go on date at the amusement park. Sachi is not amused.
第 10 集 Don't treat me like your kid sister.
播出时间：2022年6月27日
It's Mother's day, and Sachi drags Nagi to help her buy a gift for their mother. Nagi would also later be dragged out by Erika to help her avoid meeting with her father. Her father would then meet with Sachi and treat her to dinner in exchange for information on Erika and Nagi's relationship.
第 11 集 I can't forget that just happened.
播出时间：2022年7月4日
A scene between Nagi and Sachi occurs during a thunderstorm, which leaves Sachi in an emotionally flustered and upset state. This develops a rift between Nagi and Sachi, whereas Nagi has no clue how to close it.
第 12 集 It's not that I like you, yet.
播出时间：2022年7月11日
Nagi tries to redeem himself after embarrassing himself in front of Hiro on their amusement park date.
第 13 集 Things aren't quite working out, are they?
播出时间：2022年7月25日
Nagi is beginning to question his own feelings, and he has trouble even focusing on midterms.
第 14 集 Walls exist to be overcome!!
播出时间：2022年8月1日
Nagi helps Erika study for a make-up exam to avoid being sent home to live with her parents again.
第 15 集 We have to tell her... about our secret!
播出时间：2022年8月8日
Erika and Nagi walk around the festival together, and she shocks him with how out-of-touch she is.
第 16 集 I want to talk about now.
播出时间：2022年8月15日
Sachi is worried about Hiro, so she brings Erika along to follow her and learn about her.
第 17 集 Anything could happen right now!
播出时间：2022年8月22日
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.
第 18 集 Who is that person?
播出时间：2022年8月29日
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.
第 19 集 You must have noticed by now.
播出时间：2022年9月5日
Erika reveals who it is that she’s been trying to reach through social media.
第 20 集 I want to grow up already!
播出时间：2022年9月12日
Nagi discusses with Erika what he learned – or tried to learn – from her father.
第 21 集 It's a secret between you and me.
播出时间：2022年9月19日
Having topped his grade in the term exams, Nagi confesses to Hiro once again.
第 22 集 I'll Be There With You
播出时间：2022年9月26日
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.
第 23 集 What Should We Do Now?
播出时间：2022年10月3日
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.
第 24 集 All That Matters Is That You Two Are Happy
播出时间：2022年10月3日
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.
