"Fitness Check-in: From Useless to World Champion" tells the story of Jiangcheng University student Lin Chen's counterattack. With a thin body and poor physical fitness, he failed to try out for the school team and was rejected by the girl he had a crush on, Su Muxue, and fell into a low point in life. Just when he was desperate, the [Extreme Check-in System] was accidentally activated, opening a path to transformation for him.
With system tasks and rewards, Lin Chen started from basic fitness, gradually improved his strength and unlocked basketball skills. He overcame many difficulties, broke the school record in the physical fitness test, and was successfully selected for the school basketball team. Since then, he has repeatedly achieved great results in friendly matches and the provincial college basketball league. He has grown from a "skinny bamboo pole" to the core of the team, and has launched peak duels with strong opponents.
In the process, Lin Chen not only realized his basketball dream, but also won the favor of Su Muxue with his persistence and growth, and gained the trust and friendship of the team. The story takes the passionate basketball competition as the main line, integrates youthful emotions and growth and transformation, and shows the infinite possibilities of ordinary people to break through themselves and counterattack in life with opportunities and hard work.