This is Just a Game...Right?

Lyrica Aoki. A normal high school girl living with her older brother, Keiji Aoki, ever since their parents abandoned them. Best friends with Rei Kurosaki, thinks she's friends with Angie Park. Her life is perfectly normal until an accident kills her beloved brother. Heartbroken, she desperately searches for a way to bring him back. When she finds a game that promises to bring him back, she plays immediately. But when the game drags both her and Rei into the virtual world, will they even make it out alive?