URLs

• https://www.pixiv.net/users/67734
• https://www.pixiv.net/stacc/yamada_theta
• https://twitter.com/yamada_theta
• https://twitter.com/intent/user?user_id=111595381
• https://yamadatheta.booth.pm
• https://sketch.pixiv.net/@yamada_theta
• https://www.amazon.co.jp/stores/-/author/B07TJZN82G
• https://bsky.app/profile/yamadatheta.bsky.social
• https://bsky.app/profile/did:plc:ozinhhzf5vsnjnrexao63csf
• https://note.com/yamada_theta