Regretful: Younger Brother's Seduction

Song Yan gets drunk and accidentally has an affair with the richest man, Jiang Hanyu. Later, Jiang Hanyu hides his identity and becomes her assistant to pursue her. He helps Song Yan obtain an invitation to the richest man's gala, reveals his true identity at the event, confesses his love, and disciplines Liu Minmin. However, Song Yan becomes angry because Jiang Hanyu concealed his identity, prompting him to start his 'winning back the wife' mode.