"When was the last time you studied mathematics?"
"University."
"That was..."
"Not important. What matters is that I was bad at math."
In the High Tower of the Mind, in the study next to Greed's bedroom, Schiller held out a hand and said, "You don't think I was the kind of outstanding graduate who got perfect scores in every subject, do you?"
Batman, who had been pacing across the open space behind the desk, stopped and turned sideways to look at Greed. "Weren't you?"
"Of course not. I'm not a well-rounded genius like you." Schiller shook his head. "Or rather, I'm not a genius at all. I'm not good at calculations, and I've hardly ever done any inventing."
"In fact, aside from psychology, my grades in many subjects were terrible." Schiller admitted it without hesitation.
"Then how did you get your degree?" Batman asked.
"I hypnotized all the university professors."
"A genius and an outlaw." Batman added.
"But unfortunately, the Batman from Pride's world hadn't thought of becoming an outlaw even after four years."
"The teacher in charge of exam papers at Gotham University was already over seventy. He wouldn't even need to be hypnotized. You could walk in and take them, and no one would notice."
"That's called basic shame." Batman sat down across from Schiller's desk. Schiller shrugged and said, "I was young and reckless. I haven't even told you how crazy I was when I studied abroad..."
"All right, look here. You still remember basic functions, don't you?"
"Of course. I know those."
Greed confidently took a book from Batman, gave it a glance, and found that the questions were all simple. He snorted disdainfully, picked up a pen, and casually wrote down several answers.
Batman watched the pen tip glide smoothly across the paper. When Greed