URLs

• https://www.pixiv.net/users/2335771
• https://www.pixiv.net/stacc/heterogeneous
• https://twitter.com/getbusygetbusy
• https://twitter.com/intent/user?user_id=591649585
• https://sketch.pixiv.net/@heterogeneous
• http://m-pe.tv/u/?developing
• http://twpf.jp/getbusygetbusy