题目 1:
In which year did Mitsuhiro Arita start his career as a professional illustrator?
题目 2:
Which famous trading card game did Mitsuhiro Arita work on during its prototype stage?
题目 3:
For which video game series did Mitsuhiro Arita work for over ten years?
题目 4:
What was Mitsuhiro Arita's field of study in college?
题目 5:
Which animation film project did Mitsuhiro Arita serve as a concept designer for?