One-handed sword user. Intro: A solo gamer who taught the protagonist, a beginner during the beta test, the basics of SAO.

Argo: Dagger user. One of the few skilled information brokers in Aincrad. Known as Argo the Rat.

Agil: A calm and reliable two-handed axe user. In the real world, he runs a cafe called Dicey Cafe with his wife.

Member of the protagonist's first party. Sayu: Greatsword user. A cheerful young woman in her first year of work. She occasionally goes overboard but is the mascot type who everyone forgives. Clark's girlfriend.

Clark: Sayu's boyfriend.

Wiseman: Mace user. Shield is a Round Shield. Lore enthusiast. Struggling to survive SAO.

Zash: Greatsword user. Loves games. A mood-maker, but shows a suspicious side at times.

Musou: Two-handed axe user. A veteran gamer. Highly knowledgeable and skilled. Has a detached personality and always makes lighthearted remarks.

Mace user. An international student from Sweden. Intellectual with a good sense for games, but tends to keep others at a distance.

Rapier user. Conducts idol activities within SAO. Usually foul-mouthed, aggressive, and hates losing.

Kal: Rapier user. A top-tier player who vied for first place during the beta test. Gentle but has an otherworldly atmosphere.

Am: A two-handed sword user who carries on Kal's will.

Nanaboshi: Greatsword user. A famous 'flame-bait' game streamer. Possesses charisma along with her beauty, and has many fans despite her actions. Has absolute confidence in her game strategies.

Digitalis: A woman who accompanies Nanaboshi. Devoted to Nanaboshi, she will perform any playstyle without hesitation for her sake. Weapon: Two-handed hammer.

Kirito: A top-class, highly skilled former beta tester nicknamed 'Beater'. Has a closed-off, unapproachable atmosphere. Asuna: A female rapier user who travels with Kirito. Silica: Dagger user. Hesitant and timid throughout, but has a kind and friendly nature. Lisbeth: A bright, frank mace user. Aspiring blacksmith. Klein: A brave and compassionate one-handed swordsman. Mito: Asuna's real-life friend and scythe user. Quiet and skilled at games. Becomes an armor shop owner after parting with Asuna.

Emirun: One-handed sword user. Straightforward and lives literally with all her might. Trying to take revenge on Kirito.

Rex: Emirun's tutor. Suffers from Full-Dive Non-Conformity (freezing in fear).