C344 Strong Reinforcements.

I opened the door and saw an old man in a black coat standing outside. His face was filled with wrinkles, making him look like he was in his seventies or eighties.

What was most eye-catching was that he was wearing a pair of black sunglasses even though it was still early in the morning. There was no cloud in the sky, but he was holding an umbrella with a strange material in his hand