Yakutatazu Skill "Login Bonus" de Suterareta Reijou ga, Hontou no Shiawase wo Tsukamu Made

Joanna falls into the depths of despair after her fiancé is stolen by her own younger sister. But right in the midst of her heartbreak, a brand-new marriage proposal falls into her lap—an engagement to Vincent of the Margrave Linehan family!

With the sudden awakening of her supposedly useless skill, [Login Bonus], and the absolute doting love she receives from the gorgeous future Margrave and his family...