URLs

• https://www.instagram.com/89ginfo/
• https://www.mangaupdates.com/author/c4z19cz
• https://ja.wikipedia.org/wiki/灰原薬
• http://89g.info
• https://www.blogger.com/profile/00228682724401607124
• https://yak-h.blogspot.com
• https://myanimelist.net/people/4035