Hyeon Chae is a 26yr old trans woman with a doctorate in Koreanic Alchemy, specialising in structural-organic alchemy.

Chae was born 1998, in Jeju city. She currently resides in Sinwu-Myeon (Aewol-Myeon IRL), bussing into Jeju city to lead Jeju University's structural-organic alchemy department.
Chae goes by both @STEMgirlChae16, and @Putrefactiongirlthing on Twitter, as well as user "tgirltransmutation" on Tumblr.

Chae's name is pronounced /hjʌn/ /t͡ɕˀɛ/

Park Sayeon is a 24yr old cis woman with a Masters in Koreanic Alchemy. She is a member of Hyeon's research team.
Sayeon was born in 2000 and lives in Jeju city, Jeju.

Sayeon's name is pronounced /pak̚/ /sʌ.jən//

Mori Ayaka is a trans woman with a doctorate in Japonic Alchemy and Computer Science. Ayaka is a friend of Hyeon, and often collaborates with her on various research projects, mostly with regards to the integration of computational alchemy with Hyeon's work.

Ayaka lives and was born in Tokyo, Japan. She is an alter of the Lost Earth System, and headmates with Quicksilver and Sorawo.

Ayaka's name is pronounced /mo:ɾi:/ /a:ja:ka:/