https://www.pixiv.net/users/26107804
https://www.pixiv.net/stacc/user_wrvg4347
https://twitter.com/shiki114514
https://twitter.com/intent/user?user_id=1188947527619362816
https://space.bilibili.com/17678040
https://sanjiaohanshu.fanbox.cc
https://www.pixiv.net/fanbox/creator/26107804
https://www.weibo.com/u/6416816116
https://www.weibo.com/n/三角函数算不出来式
https://www.mihuashi.com/profiles/1562625
https://www.mihuashi.com/users/Delta_式
