Kei – “All killing is evil. We should avoid it whenever we can.”
Rion – “Then why'd you enroll at an assassin school? If you're not cut out for it, you should drop out.”

Rion – “By the way...I'm sorry”
Kei – “Huh? For what?”
Rion – “At the department store... When I said you'd make a lousy assassin... I was being a jerk”