There's Takumu, who is Haruyuki's friend. He is initially jealous of Haruyuki's relationship with Kuroyukihime but later reconciles and becomes an important ally. Chiyuri is another character. She has a complex relationship with both Haruyuki and Takumu, and her actions often have an impact on the story's development in the accel world.
The protagonist, Haruyuki Arita, is very important. He is an overweight boy in the real world but becomes a powerful figure in the accel world. Then there is Kuroyukihime. She is a skilled and mysterious girl who plays a crucial role in Haruyuki's journey in the accel world.
Kuroyukihime is another important character. She is a beautiful and mysterious girl who introduces Haruyuki to the Accel World. She has her own goals and secrets in this virtual realm.
Well, in the 'accel world light novel', Haruyuki Arita is really important. He's like the typical underdog at the start. And then there's Kuroyukihime. She's sort of the catalyst for Haruyuki's adventures in this virtualaccel world. There are also other characters like Takumu Mayuzumi who play important roles in the story as friends or rivals.
I'm not entirely sure as I haven't read this specific volume yet, but it's likely to feature Haruyuki, the main protagonist of the 'Accel World' series. He is often at the center of the action and story development.
In the 'accel world haru light novel', if Haru is a main character, there might be others who are associated with him. There could be his friends or rivals within the Accelerated World. For instance, Kuroyukihime, who has a significant role in the overall 'Accel World' story. She is a strong and intelligent character who often partners with or opposes other characters in the virtual battles. Another possible character could be Takumu Mayuzumi, who also plays an important part in the complex web of relationships and battles in the Accelerated World.