Asha, a saint, is suddenly told by her fiancé, the crown prince, that she is a fake saint, that her engagement has been broken off, and that she is to be sacrificed to the demon tribe...!　I thought she would be captured by the Demon King and cruelly killed, but she suddenly asked me to marry her!　In that case, I will be of service to the Demon King!　With three meals and a snack, Asha's contracted marriage to the Demon King begins! https://www.cmoa.jp/title/255217/

Suzette, the daughter of a poor viscount, is falsely accused of infidelity by her fiancé and their engagement is broken off. Rumored to be a "villain" in high society, she is fired from the job she was working to support her family. Then she receives a proposal of marriage. Her suitor is the Marquis of Death, a notorious marquis who murdered his family to become head of the family! Suzette decides to get engaged to him for the sake of her family, but it turns out the marquis's mansion has two children she doesn't know about! A romantic comedy about a family-loving poor young lady and the Marquis of Death who enter into a contract marriage in another world! (Source: Kodansha, translated)