Shy Kayano finally works up enough courage to confess her feelings to the handsome Kamijo in a love letter. When the letter is intercepted by the notorious Edogawa Takeru—the devilishly handsome son of the school's principal—she is appalled, but even worse is her mother's engagement—to principal Edogawa! Now Kayano will have to live with this devil Takeru 24/7! How will she cope with this "living hell"? Age 13 and up.

Saito Kayano is finally settling into her new, radically changed life. Her mother and new stepfather dive into wedded bliss, finally bringing the two families under one roofwhich means Kayano must deal with a new stepbrother, school bully Edogawa Takeru, at school and at home. She grows more confused by her blossoming feelings for Takeru as he plays the concerned, gentle friend one moment and becomes her devilish tormentor the next. And school matters complicate things as Rika sets her sights on Takeru and will do anything to be near himincluding stealing Kayanos job as manager of the basketball team!

Kayano attempts to make sense of her feelings, but is always left confused. Just when she thinks she has seen the good side of Takeru, he does something completely infuriating. Then there is Yuichi, who was always so sweet to Kayano - lately he is showing a much darker side. Will Kayano survive this bizarre love triangle...and who will she ultimately choose?

When her mother becomes engaged to the high school principal, Kayano's life gets even more complicated since the principal's son, Takeru, constantly bullies her.

School life is a drag, and home life is no better. Sometimes it seems like the Devil really does exist! Fall turns into winter as the school year plods on. Long hours of basketball practice will finally be put to the test as the team plays their first game. And Takeru must come to terms with having his brother in his life again how will it affect his relationship with Kayano?

High school is difficult for most kids. But for Kayano, a shy girl whose single mother seems to work all the time, it's even worse than usual. She's so afraid of drawing attention to herself, in fact, that she can't tell the handsome Kamijo how much she loves him—until one day she finally gets up the courage to write him a letter confessing her feelings. But her plans go awry when the letter falls into the hands of the school's most notorious student, Edogawa Takeru. To Kayano, Takeru seems to be Satan himself. Not only is he devilishly handsome, he is the son of the school's principal. Even the teachers dare not stand up to him. Kayano, appalled by how badly her first attempt at a social life has gone, thinks she can struggle through, and get her letter back. But, Takeru enjoys watching her suffer. Just when she thinks she's solved the problem, her mother comes home to announce she's getting married—to principal Edogawa! Now Kayano will have to live with this devil Takeru 24/7! How will she cope with this literal "living hell?"

Kayano's potential rival for Takeru's affection makes an important decision that could give Kayano a reason to hope. Things get even better when Takeru gives her a "couples" ring. But of course, just when things seem to be improving, Kayano finds new reasons for concern as outside influences and family tensions cast their shadows over her relationship with the "Devil" who has captured her heart.

When her mother becomes engaged to the high school principal, Kayano's life gets even more complicated since the principal's son, Takeru, constantly bullies her.

When her mother becomes engaged to the high school principal, Kayano's life gets even more complicated since the principal's son, Takeru, constantly bullies her.

Although their relationship is now out in the open, it's anything but a stress free time for Kayano and Takeru. Takeru's busy with his new part-time job, while Kayano studies for her college exams. But it's hard for her to focus when Takeru's about to decide on his mother's offer to accompany her on a trip to Italy. Will the young couple be able to handle such a long separation? And does Takeru have any reason to be concerned about a boy Kayano just met?

High school is difficult for most kids. But for Kayano, a shy girl whose single mother seems to work all the time, it's even worse than usual. She's so afraid of drawing attention to herself, in fact, that she can't tell the handsome Kamijo how much she loves him#151;until one day she finally gets up the courage to write him a letter confessing her feelings.But her plans go awry when the letter falls into the hands of the school's most notorious student, Edogawa Takeru. To Kayano, Takeru seems to be Satan himself. Not only is he devilishly handsome, he is the son of the school's principal. Even the teachers dare not stand up to him. Kayano, appalled by how badly her first attempt at a social life has gone, thinks she can struggle through, and get her letter back. But, Takeru enjoys watching her suffer. Just when she thinks she's solved the problem, her mother comes home to announce she's getting married#151;to principal Edogawa! Now Kayano will have to live with this devil Takeru 24/7! How will she cope with this literal "living hell?"