『Fangtasia』's manga / #Alpha(2)

2ban-me no Alpha

Complete | Shibue yofune | 2019 released

Kanraku Alpha ~Enigma~ 4 verse

Complete | Nakai Shinshi | 2000 released

https://www.mangaupdates.com/series/nndri6z/kanraku-alpha-enigma-4-verse