Asada Shino

is a skilled player of «Gun Gale Online» where she goes by the name Sinon. She is nicknamed Hecate, after her gun «PGM Ulitma Ratio Hecate II», a high caliber anti-material and rare rifle gun. She is one of the main characters of volumes five and six. and first sniper female player that Kirito first meets in Gun Gale Online, She play VRMMO Gun Gale Online to overcome her trauma concerning guns. She originally considered Kirito as an opponent, but she later developed feeling for him.

She also becomes a Cait-Sith archer in the game «ALfheim Online», where she is capable of hitting targets 200m away.

Background
Her father died when she was young, and as a result she became overprotective of her mother, who was in a frail state of mind. She was traumatized when she tried to protect her mother from a robber at a postal office, and ended up killing the man. As a result she developed an intense fear of guns and slight fear of men. She also was bullied up until high school for this reason. After being introduced into GGO she fell into a trap and faced an extremely powerful boss, through sniping it from outside its attack range she recieved the Hecate sniper rifle.

Phantom Bullet
She is introduced as part of a player-hunting squadron led by Dyne, and assualt riflle user.

Caliber SS
When the Excaliber location is starting to spread, she volunteers to join Kirito's expedition to recover the sword, as a Cait Sith archer.

Notable Achievements

 * co-winner of the Third Bullet of Bullets (alongside Kirito, «Gun Gale Online».