Waji

Waji ( ワジ)  is one of Haré's classmates, who is known for laughing constantly.

Personality
Waji generally has a cheerful disposition, laughing often for no reason at all. However, at times he is shown to be extremely depressed. He believes laughing enough will make hardships and pain "Disappear forever".

History
In his popularity contest comic, it's shown that Waji grew up in an abusive household, where both him and his mother were frequently beaten by his father. Because of this, he adopted laughing as a coping mechanism. When cleaning with Guu, he tell her she should her laugh troubles away. Guu has been seen to quote him on this, referring to him almost as if he were a mentor.

Trivia

 * In a behind the scenes comic, it's revealed Waji's gender was never established or considered, as Kindaichi simply didn't care about it.