I Promise You a Head Full of Snow

He has always been cold and cold, but he only cares about her as the bright moonlight in his heart. She lost her memory and became a novice, just like a playboy who provides food, accommodation, and entertainment! It's not easy to be taken care of! It's just that the truth is revealed layer by layer, and the dust-laden memories are refreshed bit by bit. Are he and her actually on opposite sides? At a time when the world is in turmoil, where will he and she go?