https://www.pixiv.net/users/303569
https://www.pixiv.net/stacc/otosama
https://twitter.com/OtosamaLeong
https://twitter.com/intent/user?user_id=1276563668
https://www.deviantart.com/otosama
https://seiga.nicovideo.jp/user/illust/7428055
https://www.nicovideo.jp/user/7428055
https://sketch.pixiv.net/@otosama
https://www.plurk.com/otosama
https://www.facebook.com/otosamaspage
http://home.gamer.com.tw/homeindex.php?owner=otosama
http://home.gamer.com.tw/otosama