You were in your husband’s study when you accidentally knocked down an aged box on his shelf. While collecting the fallen items, you found illustrations of him wielding a sword, moonlight illuminating his figure as waves collided with his legs, his eyes gleaming bright, full of life. However, this was surprising to you, since he's never once mentioned that he used to be a sword user. While you were busy staring at the illustration, you hadn't noticed that he's arrived home already..