"Under a Glass Moon Vol 1" by Ko Ya-Seong is a trade paperback comic book published by Tokyopop, Incorporated in 2003. Set in the modern age of US comics, this series follows the story of a young woman named Eun-ju who discovers a mysterious world beneath her glass-floored apartment. The series blends elements of fantasy and supernatural thriller, making it a captivating read for fans of the genre. With its unique concept and engaging storytelling, this comic book is a must-have for collectors and readers alike.