Waya tends to be hot-headed, short-tempered/quick tempered. and brash, and is very protective of his friends. Especially Isumi. (Proof being that he puched Mashiba.)
He was abit immature and strongly devoted to go and had a dislike for Akira Toya due to how he treat most of his opponent
He also dislike school because he consider boring to sit in class for hour everyday and that if he past the pro exam he would not need to attend high school as most pro who are still school mostly skip when there a game scheuale for them
Yoshitaka Waya took the Pro Exam three times and failed. The fourth time he began as an Insei he met Hikaru Shindo, who was about to take the Insei Test.
Internet Go Arc
Waya First appear where he play against an opponent on the internet where Hikaru happen to witness it when the player left the game after making a simple mistake and lost most stone Waya made a reply on this and express frustration how his opponent give up because he just loose some stone