Sakushina Onzoshi to Sekai Ichi Shiawasena Seiryaku Kekkon (Marmalade Bunko)

[Machine Translation] Higashiko, a daughter in a box, reluctantly accepts a political marriage to Kazunari, a sergeant in a big company. The marriage was registered without ever seeing each other, and they spent the rest of their loveless married life together.... But when she meets Kazunari, he plays with her with overflowing sexuality and overprotective doting...? Kazunari's desire for exclusivity intensifies as he says, "I will own everything about you. He teaches her the first feelings of love and pleasure, and Higashiko begins to blossom sweetly....

箱入り娘の東子は、大企業の御曹司・一成との政略結婚を渋々受け入れる。顔を合わせずに入籍が済み、そのまま愛のない結婚生活を過ごす...はずだったのに、いざ対面した彼は、溢れる色気と過保護な溺愛で翻弄してきて!?さらに「君のすべてを俺のものにする」と独占欲を加速させる一成。初めての恋心や悦びを教え込まれ、東子は甘く開花していき...。