Kirito is someone who is not good with words, as stated by Klein, and can be quite direct. This is due to him not having many friends and closing others off Because of his love for computers. As such, he can come off as a rude person to others, such as Lisbeth and Sinon. Sometimes, he actually seems to enjoy angering and teasing people as well. Also, from time to time, Kirito can be quite overconfident thinking he can do things others cannot.

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