I'd recommend 'Forbidden Desires'. It has a similar tone and explores the allure of forbidden relationships, much like 'Taste of Forbidden Fruit'. The art styles are also somewhat similar, adding to the overall similarity in the reading experience.
One manhwa that could be similar is 'Secret Love Affair'. It shares some themes of forbidden love and complex emotions.
You might like 'Love in the Shadows'. It has similar elements of secrecy and passion as 'Taste of Forbidden Fruit'. The character dynamics and plot developments are comparable in terms of forbidden attractions.
Chapter 553, "His Love Runs Deep", is the clearest early answer because it turns Luo Xuan's situation into a concrete plot event. A useful checkpoint is the way the scene starts with His gaze shifted to Luo Xuan's empty hands, and Ai Xiaochun's...
Chapter 593, "Don't Look, It's a Bad Review!", is the clearest early answer because it turns Don's situation into a concrete plot event. The chapter turns that into something concrete by moving from The night was cool, and the two had just emerged from the chilly...
Chapter 616, "I'm Going to Save Sister Xiao Wan!", is the clearest early answer because it turns Jiang Yan's situation into a concrete plot event.
Chapter 558, "The Love-Struck, Flirty Wife Appears", is the clearest early answer because it turns Xiao Chun's situation into a concrete plot event. Early on, These people's comments are just too unpleasant; where does the fish....
Chapter 234, "Chasing Wind Youth", is the clearest early answer because it turns Chasing Wind Youth's situation into a concrete plot event. The chapter gives readers a real answer by opening on Given the vast mystical powers Jiang Li had displayed before, he was...
Chapter 173, "Su Yinwan, You Did It on Purpose, Right?", is the clearest early answer because it turns President Shang's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Li finally rose from her seat.
Chapter 211, "For Jiang Yan", is the clearest early answer because it turns Advanced Repair's situation into a concrete plot event.
Chapter 628, "It's Time for Them to Show Themselves!", is the clearest early answer because it turns Shang Shuyue's situation into a concrete plot event. A useful checkpoint is the way the scene starts with What are you fantasizing about?" Bai Lu looked at him incredulously,...
Chapter 393, "Clearly Marked Prices, No Deception to Young or Old", is the clearest early answer because it turns Support Brother Tang's situation into a concrete plot event.
Chapter 330, "Why is it her?!", is the clearest early answer because it turns Su Yinwan's situation into a concrete plot event. Early on, Of course," Ye Chu pulled a lipstick out of her purse and started.... By the end, You guys continue talking." Seeing that her objective had been....