When Yuu's mother calls to wish her son a happy birthday, Miki goes all out and puts together an impressive feast to help him celebrate.

Ginta says that he'll stop seeing Arimi if Miki chooses to be with him. Miki gets chosen to represent her school in an upcoming tennis match.

Miki talks to Ginta in private about her feelings. Arimi tells a joke that makes Miki sad to think that she's no longer Ginta's closest female friend.

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.

Ginta reassures Miki that he'll wait for her to make up her mind. The entire school finds out about Meiko's relationship with her teacher.

Miki struggles with the fact that Meiko kept her relationship a secret from her. Yuu points out that everyone has something they keep to themselves.

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.

Ginta and Miki come up with a plan to take Meiko on an outing to cheer her up. When they invite Yuu to come along, Arimi asks if she can join them.

Miki and Yuu's parents finalize their marriages. Yuu sticks by Miki's side to make sure she is feeling okay about the complicated situation.

Miwa and Yuu are rumored to be an item. Miki challenges Miwa at the school marathon after witnessing a strange exchange between the two boys.

Yuu has been too busy to talk to Miki during summer because of work. For some reason, Miwa shows up at their family vacation to see Yuu.

Yuu and Miwa invite Miki and Meiko out to see a movie. Miki stops worrying when she realizes that Yuu wants to help Miwa get together with Meiko.

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.

Miki becomes concerned about Yuu after learning his secret. Ginta gets showered with attention for his important upcoming tennis match.

Miki decides to tag along to support Yuu during the confrontation with his father. During the meeting, unexpected new information comes to light.

Yuu and Miki enjoy an ordinary morning together after their conversation at the beach. Miki hopes that her feelings for Yuu will last forever.

Miki starts to feel insecure when Yuu accepts his mother's job offer to appear in a commercial with a beautiful young model named Suzu.

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.

Miki can't bring herself to tell Yuu that she lost the medallion. Her co-worker Kei, on the other hand, doesn't tell Miki that he has it.

Yuu's reluctance to talk about the commercial makes Miki's mind wander to dark places. Kei keeps missing the chance to tell Miki about the medallion.

Miki's mind fills with doubt about Yuu's tutoring arrangement with Suzu. Miki follows Kei into a live music venue after work.

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.

Miki suffers in silence as the four parents discuss the topic of Suzu kissing Yuu at the concert. Suzu asks Kei about his relationship with Miki.

Miki wonders if Yuu is cold to her because of what happened at work. Yuu unwittingly shows up to a Halloween party at Suzu's house.

Miki mistakenly thinks that Yuu wanted to keep the party a secret from her. All goes according to Suzu's plan as Yuu and Miki begin to drift apart.