By 
The Legend of Heroes: Trails of Cold Steel IV had some new information released today which re-introduces Emma, Roselia, Vita, Elliot, and Machias, who are all returning characters from the Trails of Cold Steel series. [Thanks, 4Gamer!]
[Note: It should go without saying that there may be some spoilers below, proceed at your own risk.]
Emma Millstein (CV: Saori Hayami)
A Hexen Clan witch, and an honor student who is from the old Class VII. After graduating, she returned to her home and honed her powers as a witch from Roselia, and continues her search for Vita Clotilde.
Roselia (CV: Kaori Mizuhashi)
The Hexen Clan elder, who is over 800 years old and speaks in a distinctive olden manner despite looking young.
Vita Clotilde (CV: Yukari Tamura)
An exiled Hexen Clan member, and Anguis No. II in the mysterious Ouroboros society.
Elliot Craig (CV: Ryoko Shiraishi)
A professional musician who was originally part of Class VII. He’s the eldest son of Lieutenant-General Craig in the Erebonian Army.
Machias Regnitz (CV: Takuya Sato)
Machias Regnitz is the Vice Class President of the new Class VII, and the son of Imperial Governor Carl Regnitz.
The Legend of Heroes: Trails of Cold Steel IV releases in Japan in Fall 2018 for PlayStation 4.
