Kobeni Yonomori

The main heroine, a responsible sixteen-year-old who handles cooking and chores well.

On her 16th birthday, a young man named Hakuya and Mashiro suddenly appear in front of her, in which it turns out that Hakuya is her fiancé and Mashiro is her future sister-in-law.

When she was younger, she fell down a cliff but she was saved by Hakuya Mitsumine. The incident left her with a scar and little memory of the event, as she does not remember Hakuya when they meet again. Over time she recalls more of her memories of the incident, later learning she had received half of Hakuya's inhuman power, the side effect of which gives her a fever on occasion