Byakko hen is being released in Flowers Magazine, starting with issue 10 released on 8/28/2017. This magazine is released monthly, with the first chapter being 50 pages long!
Suzaku / Seiryu Arch
Fushigi Yuugi (the suzaku / seiryu arch) was originally released in Sho-comi magazine! This magazine is released twice a month, with each chapter approximately 30 pages long. look below for some cover images of these issues that Fushigi Yuugi was released in!
Genbu kaiden has been released in MANY different magazines. Chapters 01-06 was released in Sho-comi Zoukan, Chapters 07 - 31 was released in Yuu Watase's Perfect World Magazine, Chapters 32 - 38 was released in Rinka Magazine (a spin off of Flowers Magazine). And lastly Chapters 39 - 40 was released in Flowers Zoukan. Look Below for those cover images!
Byakko Ibun is set prior to the story of our Byakko seishi. The chapter was released as a one shot in the fourth issue of Flowers magazine in 2015. There are no known plans to continue this prequel as of right now.
Flowers April issue