Lingmo thinks it's good to be a peaceful nerd. But the reality is so cruel. My sister died and became a system, and there is also a twin system. He also became her host. From then on, a qualified top student was forced by her sister to become "Xiao Shou's 'male' best friend" on a road of no return. She took two "ghosts" with her to break out of the world of the system, and had a "destination in life"... What a ghost!
The protagonist has no emotional line, but the two ghosts and the main supporting characters are very cheerful.