Episode 1: Switched at Birth?! So Then, We're...
Nagi Umino, a top student, discovers he was switched at birth. On his way to meet his biological family, he meets Erika Amano.
Episode 3: "What Should I Do About This Girl?"
Erika starts attending Nagi's school! Their forced cohabitation leads to awkward situations and misunderstandings, especially with Hiro, whom Nagi admires.
Episode 4: "What Should I Do About My Fiancee?"
Nagi struggles to distance himself from Erika, while Hiro's feelings for Nagi become more apparent during a cram school visit.
Episode 5: "This Isn't a Date!?"
Nagi and Erika's "engagement" is put to the test during a beach trip, with Hiro and Sachi adding to the chaos and romantic tension.
Episode 7: "I Won't Give My Brother to You!"
Nagi and Erika navigate a school festival challenge while Sachi gets jealous of their closeness and makes a bold move.
Episode 8: "You're Going to be My Bride!"
Erika's father drops a bombshell! Nagi struggles with his feelings for both Hiro and Erika, leading to awkward encounters and misunderstandings.
Episode 9: "I Won't Rely on Anyone Anymore!"
Erika's determined to prove her independence, Nagi struggles with his feelings, and a school trip adds another layer to their complicated relationship.
Episode 11: "What Do You Mean, You're Going Out With Nagi?"
Nagi's feelings for Hiro waver, while Erika explores her growing feelings for him. A school trip adds to the romantic tension.
Episode 12: "Don't You Think We Should Start Being More Conscious of Each Other?"
Nagi and Erika's study date takes an unexpected turn, revealing hidden feelings and complicating their already complex relationship.
Episode 13: "This Isn't a Game. This Is a Battle."
Nagi and Erika's feelings are tested as a typhoon traps them together. Hiro continues to wrestle with her own affections.
Episode 14: Fireworks and Hidden Feelings
Nagi and Hiro's awkwardness intensifies during summer festival preparations. Sachi confronts her feelings, while Erika navigates her growing popularity.
Episode 15: "What Do You Want for Your Birthday?"
Nagi and Erika's feelings become complicated as Hiro's birthday arrives. Sachi struggles with her own emotions and their unusual living situation.
Episode 16: What do you think of me?
Erika makes a bold move, leaving Nagi flustered. Sachi grapples with her feelings, while Hiro's determination intensifies.
Episode 17: Is That the Confession Flag?
Nagi tries to clarify his feelings for Hiro, but a misunderstanding complicates things. Sachi considers her own evolving emotions.
Episode 18: "I Won't Give Up on You"
Nagi and Erika try to navigate their complicated feelings while Hiro makes a bold move that could change everything.
Episode 20: "I'll be waiting for you at the usual spot."
Nagi's determined to win Erika's heart, but a sudden confession throws him off course, forcing him to confront his feelings.
Episode 22: "What Do You Want Me to Do to Make You Look at Me?"
Nagi and Erika's feelings clash during a photoshoot. Sachi makes a big decision, further complicating their already complex relationships.
Episode 24: "Because I Have to Choose My Own Path"
Nagi makes a crucial decision about his future, while Erika and Sachi confront their feelings and family dynamics in unexpected ways.