Marking 9 Years of Sleepy Princess in the Demon Castle

This year marks the 9th anniversary of 'Sleepy Princess in the Demon Castle,' a series that has delighted audiences with its unique blend of humor and fantasy. As Princess Syalis continues her quest for the perfect nap, fans celebrate the moments that have made this series a staple in the anime community. Reflect on the journey and the enchanting world of the demon castle.