Breaking the Blue Crystal Ice
The Empire scouting squad finds itself in hot springs paradise Ymir, where they encounter a phenomenon that has turned the hot springs cold. Lavian and Iseria investigate, but Iseria ends up trapped in freezing conditions. Lavian must try to free her with the limited options at her disposal.
Aired 27/01/2023EP 4 - Breaking the Blue Crystal Ice

2023
The Legend of Heroes: Trails of Cold Steel - Northern War
To protect her hometown from the Erebonian Empire and to distinguish herself from her grandfather’s disloyalty, Lavie enlists in the Northern Jaegers where she’ll do whatever it takes to carry out the mission. Now this rule breaker must form a platoon to embark on a dangerous recon mission into enemy lines—will her mission be a success?
(Source: Crunchyroll)