URLs

• https://www.pixiv.net/users/119576
• https://www.pixiv.net/stacc/ifs-rydeen
• https://twitter.com/IFSBLUESECOND
• https://twitter.com/I_F_S
• https://twitter.com/intent/user?user_id=59031480
• https://twitter.com/intent/user?user_id=1409819376
• https://ifs-a-c-m.booth.pm
• https://seiga.nicovideo.jp/user/illust/5388115
• https://www.nicovideo.jp/user/5388115
• https://pawoo.net/@ifs_rydeen
• https://syu-sakagami7907.fanbox.cc
• https://sketch.pixiv.net/@ifs-rydeen
• https://skeb.jp/@I_F_S
• https://www.facebook.com/ifs.technopolis
• https://www.youtube.com/user/ifsgmct322
• https://portal.circle.ms/Circle/Index/10028133
• https://bsky.app/profile/sifsbwmp7907.bsky.social
• https://sites.google.com/site/ifsymo/
• https://soundcloud.com/ifs-5
• https://ifsgmct322.wixsite.com/ifs-world
• https://www.instagram.com/ifs_technopolis/