(c87)_[ink_complex_(tomohiro_kai)]_amagi_butaiu...

: Sites like The Doujinshi & Manga Lexicon provide extensive listings of Tomohiro Kai’s bibliography and circle history.

If you are looking to track down a physical copy or more detailed metadata, you can search specialized databases: (C87)_[Ink_Complex_(Tomohiro_Kai)]_Amagi_Butaiu...

: For original physical copies, Japanese secondhand retailers like Mandarake or Surugaya are the primary sources for C87 era books. : Sites like The Doujinshi & Manga Lexicon