URLs

• https://www.pixiv.net/users/293090
• https://www.pixiv.net/stacc/rikudo
• https://twitter.com/BlueRikudo
• https://twitter.com/intent/user?user_id=819812258880503808
• https://www.deviantart.com/riku-dou
• https://privatter.net/u/BlueRikudo