Miwaku no reijô: G no kaikan

Original title: 魅惑の令嬢 Ｇの快感

Naoya is a young entrepreneur who owns several bars and restaurants in Tokyo. One day, he receives a proposal for an arranged marriage with Mayuri, a beautiful woman from a distinguished family. The two are drawn to each other and begin dating with marriage in mind. However, Naoya discovers that Mayuri was actually planning to marry a wealthy man to pay off the debts left by her father, who had committed suicide after his business failed. He also learns that she had a fiancé whom she truly loved. Despite this, Naoya strives to win her heart...