C483 Passion Crystal Coffin

"It's getting dark, how about we train tomorrow?" Ying suddenly said to Lee Yifann.

Lee Yifann asked in surprise, "I've been here for so many days, and I'm not tired at all. There's no such thing as the sun rising or the moon setting, how do you know? "

"There is an hourglass in every room. You didn't notice it. Look over there, one day has already passed. It's time to rest