https://www.pixiv.net/users/12279159
https://www.pixiv.net/stacc/marcus1192
https://twitter.com/marcus_shinshi
https://twitter.com/shinshi_marcus
https://twitter.com/intent/user?user_id=4471116192
https://twitter.com/intent/user?user_id=1933136508422426624
https://skeb.jp/@marcus_shinshi
https://bsky.app/profile/shinshi-marcus.bsky.social
https://bsky.app/profile/did:plc:mel3lgkyocul2smajn4kpgef
https://shinshimarcus.wixsite.com/marcus-art
