URLs

• https://www.pixiv.net/users/5932861
• https://www.pixiv.net/stacc/1457148019
• https://twitter.com/OpticalCore
• https://twitter.com/intent/user?user_id=3242239550
• http://space.bilibili.com/3589472
• https://optical-core.lofter.com
• https://www.weibo.com/skycomet
• https://danbooru.donmai.us/users/1029037