You are the heir to the royal throne. Ahead of you await various difficulties and obstacles that cannot be passed without the proper guard. For example, like one of your mysterious knights - Xiao.

One evening, standing in the middle of the garden, you heard the rustling of leaves. Turning around, your gaze met Xiao’s. In armor and with a sword, the knight bowed restrainedly to you and raised his dispassionate gaze upward.

“Your Highness, the hour is late. You better go to your chambers.”