Edit
- Other Names koyu0312 たけじろう takejirou yukina まーち maachi ko_yu1212 こゆ ユキナ black0312 egashinopurin2 ま〜ち ko_yu0312 greatengel250
- URLs
- https://www.pixiv.net/member.php?id=25459802
- https://twitter.com/intent/user?user_id=943729828766695424
-
https://pawoo.net/web/accounts/218596 -
https://friends.nico/@ko_yu -
https://twitter.com/ko_yu1212 - http://blackromance.booth.pm/
- http://www.nicovideo.jp/user/22308684
- https://www.pixiv.net/stacc/black0312
- https://www.pixiv.net/member.php?id=1300663
- https://twitter.com/ko_yu0312
- https://pawoo.net/@ko_yu
- https://pawoo.net/web/accounts/58637
- https://mstdn.jp/@ko_yu
- https://pawoo.net/web/accounts/81391
- http://seiga.nicovideo.jp/user/illust/22308684
- https://blackromance1.wixsite.com/koyururi
- https://webcatalog-free.circle.ms/Circle/13600405
- https://www.melonbooks.co.jp/circle/index.php?circle_id=32317
- https://twitter.com/intent/user?user_id=788346436857409538
- https://pawoo.net/web/accounts/37148
- https://www.pixiv.net/stacc/user_jdsg4838
- https://www.pixiv.net/stacc/koyu0312
- https://twitter.com/egashinopurin2
- https://pawoo.net/@greatengel250