Yatoware Kon: Reitetsu Shachou wa Keiyaku Tsuma wo Amaku Aisu

Sayo was the breadwinner of a family of four and worked as a full-time housekeeper. However, one day, her employer decided to emigrate overseas and she lost her job. The interview her younger brother recommended to Sayo, who was feeling down, was actually an arranged marriage meeting with Arima Junya, the heir to a large corporation!? In order to support her family, Sayo decided to become Junya's contract wife under the conditions he presented to her! Junya was cold towards her at first, but he gradually became attracted to her, as he showed occasional awkward kindness. And Junya, in turn, began to be captivated by Sayo's earnestness. We just needed to spend a year as a fake couple. Or so we thought, but... (Source: CLLENN, translated)