Description: A story of love born in a fleeting yet beautiful world set in the mechanical floating city of Frozen Glass. The stage is a miniature garden floating in the sky. A prosperous capital known as a utopia. Aerial City Frozen Glass. The main character, Hinagiku, was born into a prestigious family and grew up without any inconvenience, and yearns for the outside world. One day, the 18-year-old protagonist meets Yashiro, a young man who has lost his memory of his girlfriend, and becomes embroiled in an incident surrounding the truth behind her utopian appearance. ---