After having her fiancé stolen by her younger sister, Joanna falls into deep despair.
Just then, a new engagement proposal arrives—this time with Vincent of the Linehan Frontier Marquis family.

Her supposedly useless skill, “Login Bonus,” begins to blossom, and she receives overwhelming affection from the handsome next frontier marquis Vincent and his family.

Thus begins the sweet, heart-melting fantasy of the pitiful young lady Joanna as she discovers her true happiness!!