Koyama Shigeru
Koyama Shigeru is credited as an author on 13 readable works in this catalogue, with publication years from 2010 to 2025.
Common themes in this collection include Hentai, Slice of Life, Comedy, Doujinshi, Drama, Fantasy.
Koyama Shigeru is credited as an author on 13 readable works in this catalogue, with publication years from 2010 to 2025.
Common themes in this collection include Hentai, Slice of Life, Comedy, Doujinshi, Drama, Fantasy.