When he was young, Ryan accidentally devoured the memories of a transmigrator, memories from another world, and eventually became the captain of the infamous Darkbite Knight Order. After fulfilling his duties as a knight, Ryan receives word that his foster father has fallen gravely ill. Fulfilling his foster father’s dying wish, Ryan inherits his final “job”…

But who would have thought that job would be serving as the personal butler to an adorable and spoiled loli?

Nanali Axi, aged 9, adorable, is the golden-haired daughter of a count. Cute as she may be, this little lady has a stubborn, tsundere personality.

Thus begins the daily life of a top-tier knight turned private butler, and his new life caring for a proud, lonely, and shut-in loli ojou-sama!