Naoki Kuronagi

Naoki Kuronagi (黒薙直樹) known as Nash in «Sword Art Online» (SAO), «ALfheim Online» (ALO) and «Project Alicization», is a supporting character in the Aincrad Arc and a reoccurring character through the Sword Art Online series. Naoki was chosen to be one of the one thousand beta testers for the closed beta of Sword Art Online, the first ever Virtual Reality Massively Multiplayer Online Role-Playing Game (VRMMORPG) for the NerveGear, and later joined the official version of the game. He thus became one of the 50,000 players who were trapped in Sword Art Online,

Personality
Nash tends to act cold and distant and can be very callous and even brutal at times. As a result, he has shown to display very little emotion other than an occasional rough smile. Despite this, He does have some honor, as he helps Shuto and Misaki dealing against a Yellow Guild.