[Machine Translation] It has been two months since the Special Elementary School was established. With a famine looming due to the too-cool summer, Mia, a former spoiled princess, is on her way back to Japan with Patty and her family. Her escort is the gallant Abel. How can a girl's heart not be thrilled by the vacation that is about to begin? However, upon their arrival, the Duke of Redmoon, Levi, who is in love with the commoner second-in-command, is involved in a political marriage. The other is his cousin, Hildebrandt, who is a horse nerd. The secret plan of the sweet-tempered princess, whose romantic brain is roaring, is a riding contest for a moon-rabbit horse...? The engagement is not over yet! The 13th volume of the historical alteration fantasy that changes both the future and the past! Includes an extra chapter and an extra "Mia's diary of horseback riding practice (later lunch)" and newly drawn four-panel story!