Yuna

ユナ / 重村 悠那

An idol in the AR world of Ordinal Scale. If a player encounters her in the game, they can acquire special upgrades. [Spoiler] Yuna is an AI which replicates Yuuna Shigemura, the daughter of Prof. Tetsuhiro Shigemura, who died during the events of Sword Art Online, in which she was a bard. [/Spoiler]