URLs

• https://www.pixiv.net/users/1026376
• https://www.pixiv.net/stacc/kosukchan
• https://twitter.com/_chansukko
• https://twitter.com/kodang0410
• https://twitter.com/intent/user?user_id=4664975857
• https://sketch.pixiv.net/@kosukchan
• http://blog.naver.com/kosukchan
• https://twitter.com/kodang88