Ryōta Sumeragi

Ryōta Sumeragi (住良木 良太, Sumeragi Ryōta) is the main antagonist of the Dark Yggdrasil arc in Sword Art Online: Annulment, a fanfiction written by Yasuda Izumi.

Katana

 * Tsumujigurama
 * Ukifune
 * Tsujikaze
 * Oborodzukiyo
 * Gengetsu
 * Zangetsu
 * Rasetsu
 * Rashōmon
 * Shinonomenoun
 * Sange
 * Kyūki
 * Tenen

Original Sword Skills

 * Tyr's One Hand