Happiness could be a fleeting thing for our two new high school sweethearts Yukino and Arima. With their hearts flying high, the couple has been spending a lot of time together. Finally the public masks of perfection that they've both maintained for so long are beginning to fall, but so are their grades. Could this mean the end of their newfound love forever?

Summer might be ending, but things between Arima and Yukino are just heating up! While Arima's prolonged summer absence gives Yukino some time to think about their relationship, she's still left in doubt. Does she really love him? Meanwhile, Arima's thinking about taking the relationship to the next level. But will Yukino feel the same way?

Like a drug, Yukino Miyazawa was addicted to admiration and praise from those around her. She worked hard to become the perfect student, the perfect girl. But that was before... him. Souichirou Arima. The instant she met him, she hated him. Without even trying, he snatched the very glory from her hands by easily acing the high school entrance exam that should have made her the class representative. To take back what is rightfully hers, Yukino is putting all her efforts into plotting her revenge - but was love part of the plan?

Straight A's, athlete and overall "Ms. Popularity," Yukino, is the perfect student. Or at least that's how she appears to the outside world. Yukino finds her resolve put to the test as after years as the Idol of her class a threat emerges in the more perfect Soiichiro, and she's not about to be shown up!

When Maho confesses her true feelings for Takashi, he admits that he's really different from her idealistic view of him. With the arrival of winter comes an end-of-semester school trip to Kyoto, where a little love and tenderness just might fill everyone with good memories and glad tidings.

Kuzuma is the yin to and his stepsister Tsubasa's yang. Their relationship is like fire and ice. Kazuma is a famous singer loved by everyone in school... and Tsubasa has a bit of a schoolgirl crush on Kazuma! But how can a girl strike a chord with someone who is occupied with his own music 24/7?

It's not easy when a stepbrother and sister are in love with each other. When Kazuma leaves the home to get over his feelings for Tsubasa, the sorrow is too much for his stepsister. Tsubasa becomes ill and is admitted into the hospital! Will Kazuma check out of the heartbreak hotel and sing a different tune? Or will everyone become stuck with the blues?

It's the end of high school, and everyone is looking toward the future - especially Soichiro Arima. He's got it going on: good grades, great body, and all the popularity! However, there is much more to Soichiro than meets the eye. This model - student is plagued by inner demons, which force him to look at Yukino in a whole new light. Will he end his relationship with his one true love?

Ever since Arima appeared on TV everyone has taken notice. But Arima never counted on his birth mother taking notice! Arima wonders why, after so long, she finally decides to come back into his life. Slowly, the inner demons of his past begin to surface and Arima learns just how much he is like his own mother. Will Arima follow his mother down the path of darkness or will Yukino save him?

Soichiro's meetings with his birth mother continue to be a secret from everyone... especially Yukino. When his adoptive parents find out, they want him to be open with them, but how can he tell anyone about his memories of an abusive childhood?