I think you could search on some popular literature forums or websites dedicated to free novels. Sometimes, authors or publishers offer free reading periods too, so keep an eye out for those. However, make sure you're accessing the content through legal means.
When a heart stops in a novel, it could symbolize the end of a chapter in a character's life or serve as a turning point that sets the story on a new course. It might also be a metaphor for the loss of hope or love.
Su Mucheng's first competition in Pro was in Season 4, when she was about 15 years old.
While waiting for the anime, you can also click on the link below to read the classic original work of " Full-time Expert "!
It could lead to various outcomes depending on the plot and setting of the visual novel. Maybe it's a symbolic event that triggers a major story development.