Miki's parents decide to get a divorce and swap partners with the couple they met while on vacation. The couple's son Yuu is attractive but strange.

Miki joins Yuu and Ginta after getting separated from her group during the school trip. Arimi asks Ginta to pretend to like her to make Miki jealous.

Miki is relieved to find that Ginta and Arimi's relationship had just been an act. Arimi shows up to tell Miki that she won't let her have Yuu.

Namura calls Meiko to say goodbye. Meiko tells her side of the story to Miki before leaving her to follow Namura back to his hometown.

Meiko invites her friends to vacation at her family's place in Izu. They meet Arimi and her posse at the beach and get together at night to hang out.

Yuu gets very busy with his job and commercial shoots. Despite barely having time to see Miki, Yuu makes sure to keep her in his thoughts.

After seeing Miki in Kei's arms, Suzu jumps to the conclusion that she must be cheating on Yuu. Miki gets glared at by Suzu at the school festival.

After revealing her feelings, Anju begs Miki if she can borrow Yuu for a day. Miki is unable to object despite being uncomfortable with the idea.

Meiko receives a lot of media attention for her story about heartbreak after Miwa enters a prestigious writing contest on her behalf.

Yuu quickly makes friends at his dorm. The blond and beautiful Jinny offers to show Yuu around after falling in love with him at first sight.

Miki decides to go see Yuu. While she convinces their parents that she is visiting New York to help Meiko, she fails to tell Yuu about her trip.

Miki decides to start going out with Kei. Unable to accept Kei as a suitable choice, Ginta cancels a date with Arimi in order to look after Miki.

Meiko gives Miki the courage to go see Yuu in New York. When Miki confronts him with her feelings, Yuu is left with no choice but to tell his secret.