Wakeari Hakushaku-sama to Keiyaku Kekkon Shitara, Gijou (Roku-sai) no Keiyaku Haha ni Natte Shimaimashita

Maria Martini, a baroness's daughter, agrees to a one-year contract marriage with Count Ricardo Ricœur. After his unfaithful wife abandoned him, he was plagued by women using honey traps to wed him again. Maria's job is to act as a shield, but she unexpectedly becomes the contractual mother of his six-year-old stepson.