I started cosplaying (meaning planning to work on a cosplay) November 2009 so, uhhm.... I was 16 years old. I'm 17 right now, soon 18.
But if I don't remember all wrong I attended a small "manga day" event before that, ahaha.
Masamune Date - Sengoku Basara
Luxray (gijinka) - Pokémon
*~Next con I'm attending~*
SWE Skecon (4-6 July 2014)
FRI Sōji Okita (violet yukata version) - Hakuōki: Shinsengumi Kitan
SAT Gakupo Kamui (original kimono) - Vocaloid
SUN Sōji Okita (summer uniform) - Hakuōki SSL ~Sweet School Life~