My Godly Bodyguard

Su Han is a bullied, overweight, and weak worker who has lost hope in life, while Xiao Zhan is a brilliant and brave guardian of the nation who desperately craves an ordinary life. After an accident, Su Han discovers that his mother's medical expenses were forcibly withheld by bullies, leading to her tragic death. This revelation causes the two souls to swap bodies. From then on, a incredibly strong and courageous soul resides within Su Han's fragile frame.