10 Oku-en no Keiyaku Hanayome Kahogona Onzoushi to Hisho no Inbina Kekkon
To save her family's bankrupt business, Arisa was forced into an arranged marriage. But before that, she asked the boss that she admired, Shuugo, to take her virginity. Shuugo assured her that he would take good care of her. "I didn't realize you had such a seductive body." His sweet kisses and passionate caresses made her experience climax as if her whole body was being electrified. This happiness was only supposed to be temporary, and Arisa had made up her mind to live only with the memories of the night of passion. But then Shuugo suddenly proposed to her, "Marry me"...?
(Source: Printemps Shupan, translated)