In 2010, Yase joined Shaft as an episode director, and made his series directorial debut with Hidamari Sketch x Honeycomb.
In 2010, he joined Shaft and directed two episodes of the Akiyuki Shinbo series And Yet the Town Moves.
[5] In 2014, Yase was given the directorial position for the anime adaptation of JIN's mixed-media project Kagerou Daze,[6] and in 2016/2017 would direct his final series with Shaft: Kubikiri Cycle: The Beheading Cycle and the Blue Savant.
[7] The following year, he departed from Shaft, and in 2019 he directed the first season of Fire Force with David Production.
[8] Yase has since continued to base himself out of David Productions; and while he did not return for the second season of Fire Force, he directed the studio's adaptation of Undead Unluck in 2023.