My Baby Dad is a Super Agent

The female lead, in order to protect the 20 billion trust fund left by her mother, accidentally has a one-night entanglement with a mysterious man. Five years later, she discovers that the man she mistook for a "male model" back then is actually a retired top agent codenamed "Ghost". The male lead goes from being misunderstood to making a powerful return, single-handedly crushing kidnappers and dark forces, completing an ultimate identity reversal and the dramatic reveal of a war god.