URLs

• https://www.pixiv.net/users/689954
• https://www.pixiv.net/stacc/xusphere
• https://twitter.com/XuSphere
• https://twitter.com/intent/user?user_id=189120369
• https://sketch.pixiv.net/@xusphere
• http://hi.baidu.com/tefsphere/
• https://tefsphere.blogspot.com