Kyoshiro to Towa no Sora follows the story of Kuu Shiratori, a typical high school girl in the bustling city of Academia, a beacon of hope after a devastating calamity a decade ago. Amidst her content school life, Kuu experiences recurring dreams featuring a prince who whisks her away. As the school festival approaches, the enigmatic prince from her dreams, Kyoshiro Ayanokoji, materializes before her, echoing his dreamlike plea, 'Let's embark on this journey together...'