Kobeni Yonomori

As a diligent sixteen-year-old, this responsible heroine excels at managing household responsibilities, including cooking and daily chores. Her life takes an unexpected turn on her sixteenth birthday when two strangers, Hakuya and Mashiro, unexpectedly arrive at her doorstep. Through this sudden encounter, she discovers a startling new reality: Hakuya is actually her destined fiancé, while Mashiro is set to become her future sister-in-law.