Sumeragi Youta

Sumeragi (スメラギ) is a new game-original character set to be featured in the upcoming game adaptation, Sword Art Online: Lost Song. Sumeragi's ALfheim Online avatar will be an Undine.

Background
Sumeragi is an Undine swordsman and a member of the «Shamrock» guild. While Seven is the official leader of this guild, Sumeragi holds a de facto leadership role within it. He has apparently bested the Demonic Sword Gram.