Artist, mangaka.
Japanese name: 音木 らく (Otoki Raku) or らく
Old name: らくちんらくちん (Rakuchin Rakuchin)
Circle & site name: RAKUKINE (らくきね)
https://www.pixiv.net/users/541501
https://www.pixiv.net/stacc/shining-finger
https://twitter.com/intent/user?user_id=714925910
https://twitter.com/rakukine
https://www.tinami.com/creator/profile/31388
https://portal.circle.ms/Circle/Index/10004213
https://twitter.com/otoki_raku
https://portal.circle.ms/Circle/Index/10039372
