No, he doesn't but he admited that one (or two I don't remember well) of the members does and I think it may be Teruki or Takuya, but the band decided to keep it on private.
UPDATE:
Kanon does have a girlfriend, he's had one for the last few years. It's very serious.
No kannon doesn't have a girlfriend right now. He is focused on his career in music and his new game pinky distortion! Hope I could help. UPDATE: 7/8/15 Actually, Kanon does have a girlfriend. He's has had one for the last three years. It's pretty serious.
Kanon's full and real name is Kanon Wakeshima
Kanon was created in 2006.
Kanon happened in 1999.
i am guessing not
Kanon is 25 ^^
The duration of Kanon is 1200.0 seconds.
Joseph Kanon was born in 1946.
Kanon Kasuga was born on 2003-11-01.
Daimajin Kanon was created on 2010-04-02.
Daimajin Kanon ended on 2010-10-01.
Kanon Fukuda was born on 1995-03-12.