https://www.pixiv.net/users/3235102
https://www.pixiv.net/stacc/yangsoang222
https://twitter.com/hohoanime
https://twitter.com/intent/user?user_id=418539581
http://bcy.net/illust/detail/13055/599817
https://sketch.pixiv.net/@yangsoang222
https://www.weibo.com/n/下野宏铭
https://www.weibo.com/u/2156631357
https://www.weibo.com/yoomario
https://bcy.net/u/808319
