Erwin Smith is the Commander of the Scouting Legion, known for his foresight, intelligence, and drive. His ultimate goal is for humanity to return to its former glory and would sacrifice any number of his men for the sake of mankind as a whole.

Mami dated Kazuya after starting college. She dumped him after only one month. Even though she broke up with him, she still has feelings for him and wants to get back together.