Book 1 in the 'His Servant' series. When a young prince meets a carefree common girl, a special friendship is formed. However, this friendship is lost in time; until he sees her again on his coronation day but not as his cherished friend but as someone whose sole purpose is to serve as his knight. Will he succeed in restoring her old self back and will they grow even closer along the way? [Gouenji X OC] [Highest ranking: #86 in short story] [AU]