Sinon

Sinon is the game avatar of Shino Asada and a major heroine in Sword Art Online. She meets Kirito in Gun Gale Online while trying to overcome trauma caused by shooting a robber in childhood.

Sinon in Sword Art Online II: identity and story role

Sinon is calm, competitive, sharp, and vulnerable around real-world guns despite confidence inside games. She is an expert sniper who uses the Hecate II rifle, battlefield positioning, and precise prediction of enemy movement.

Sinon's relationships and major turning points

Her friendship with Kirito and later bonds with Asuna's group help Shino confront fear without reducing her identity to trauma.