恋人は旦那さま－Ｄｅａｒ　ｙｏｕ　これからも－

Yui married Kosuke quickly after she was supposed to turn down her sister's arranged date. Seven years later, their daughter Takara is one year old. Their daily life has become centered on their child. Kosuke invites Yui to spend time alone as a couple, and she feels both unsure and happy. A graduate student named Izumi, who closely resembles Kosuke, appears and unsettles their household.