Saori's a bright, hard-working girl whose life is about to take a turn for the better. With her mother remarrying, Saori is going to get a new dad! This exciting prospect is ruined when a handsome stranger with awful manners informs her that her mother is dating a married man - and that very man is his father.

Adding to Saori's shock, the gorgeous but cruel Takahito demands money for moral losses. There's no way Saori can come up with the sum he suggests, but Takahito then makes another proposal: Saori is to be his to command for a week... body and soul! Although he's seemingly heartless, his gentle caresses light a fire in her heart...

沙織が貴仁から持ちかけられた契約は、一週間限定の性奴隷!?手酷く扱われるって覚悟してたのに、彼から施されるのは甘いキスと優しい愛撫だなんて!!――私って〝契約ドレイ〟じゃなかったの？身体を重ねるたびに、傷ついた彼の心に触れて、二人の距離が少しずつ近づいていく。お互いを知るほど、もどかしいくらい愛しさが溢れてしまい♪「契約でもなんでもなく、ただ、お前が欲しい」貴仁に優しく切なく愛されて、心は悦びに震えて――!!