( 3 ~ 20 ( 3~16 character lowercase alphabet/number ) )
( 6 ~ 16 ( 6~16 character aplhabet/number ) )
If you forget password then this e-mail will be use
If you want to sms then must enter your phone number
If you forget your password, then give this question
You must remember your answer
Size : 128x128(px).
( If you check the checkbox, then a information is open to everyone )