Being the new girl at school is never easy, just ask Momo Adachi. When your 'best friend" spends most of her time trying to show you up you just can't be too careful.
When you finally find your true love you should want everyone to know, right? But when your 'best friend" has less than your best interests at heart, the rules are rewritten and anyone's the author.
Momo and Toji seem to have everything straightened out, but when Toji gets hospitalized, Momo finds out just how far Sae is willing to go to keep them apart.
With suddenly reformed playboy Kairi at her side, Momo attempts to set the record straight with Toji. But when her accusations are shattered by Sae's innocent act, she takes a desperate stand.
Now that Sae has gotten what she wanted, you think she would leave poor Momo alone. But after spreading even more vicious rumors, she volunteers her 'friend" for the school swimming competition.
With the school swim meet close at hand, Momo suits up to do her part and help Class Three, but with a plan afoot to sabotage the races, it looks as if Momo's about to take the fall.
With Sae and Jigoro a romantic commodity, her classmates have once more turned a blind eye to past events. True to her nature, she can't help but rub all of the perks of her new celebrity status in her old friend's face.
Kairi to the rescue! Determined to teach Sae a lesson she'll never forget, Kairi convinces Sae that she's perfect for the starring role in a new movie.
With the new class lists posted, Momo finds herself stuck with both Toji and Sae. She had hoped that the new year would prove a fresh start, without the daily reminder of what she has lost.
Who's that girl?!? Just when Momo finally starts to relax and enjoy the relationship that is growing with Kairi, she finds a picture of him with a mysterious girl.
While looks can be deceiving, Momo's no stranger to deception. When she finally realizes that Kairi was telling the truth about his brother, she returns to his side of things.
When asked to explain his relationship with Misao, the long-lost love from his past, all Kairi can say is 'Sorry." Once again hurt and confused, Momo tries to figure out how Kairi could have lied to her
Feeling jilted by the kiss between Kairi and Misao, Momo doesn't really know what to think anymore. When he tries to apologize, things don't get any better.
With Kairi gone for the summer and Toji working by her side, Momo is more than a little self-conscious. Sae finally decides to delete all of the blackmail photos, setting Toji free.
With Kairi and Momo on their way to rendezvous, it looks as if things might finally be resolved. But when a chance meeting between Misao and Kairi erupts into chaos, Momo is only there to see part of the story.
As the new school year begins, the rumor mill picks up right where it left off. Momo gets everyone talking when she shows up hand-in-hand with Toji instead of Kairi.
Crushed by Momo's decision to stay with Toji, Kairi resorts to drastic measures to make her listen to him. But Momo's mind is made up and she's had her fill of the drama.
As Momo and Toji leave for their day-trip, Kairi and Sae watch from a distance. When Momo receives news that Kairi might be in danger, she is forced to choose between the two once and for all.
