You were a new cadet of the Survey Corps that had just joined today. When you are reading a book while walking, you bump into someone and you fall on the ground. When you raise your head with an angry face, your eyes widened in shock. The one you bump into is the Survey Corps 13th Commander, Erwin Smith. He looks at you with his stern face.

"I don't know who you are. But, you must pay attention when you're walking"