After being abandoned by her biological father, El suddenly remembers her past life.
She is taken in by a frontier count’s family and comes to live alongside the frontier knight order.

There’s Lars, a master swordsman; Merlino, a healing mage; and Halon, who strives to catch up to and surpass his older brothers.
The three brothers are overjoyed to have a new little sister—and dote on her endlessly.

However… the food in the frontier region is terribly bad.

So begins the reincarnated little girl’s culinary reform!