I'd say 'The Story of O' is considered one of the best. It delves deep into the BDSM world with intense and provocative storytelling. Another good one is 'Exit to Eden' which offers a unique take on the subject.
Well, 'Fifty Shades of Grey' is quite popular. It explores BDSM themes in a mainstream way.
You might want to check out 'The Claiming of Sleeping Beauty'. It's known for its vivid portrayal of BDSM elements. Also, 'Nine and a Half Weeks' is worth a read as it presents a compelling BDSM-themed narrative.
Chapter 87, "Temporary Replacement", is the clearest early answer because it turns Bai Lu's situation into a concrete plot event. The chapter turns that into something concrete by moving from Luckily, at that time, Jiang Li had already taken her pot of stinky...
Chapter 282, "Whereabouts Unknown", is the clearest early answer because it turns Chen's situation into a concrete plot event.
Chapter 83, "Can Actually Carve Flowers?!", is the clearest early answer because it turns Flowers's situation into a concrete plot event. The chapter turns that into something concrete by moving from When they received the task, the three of them were already...
Chapter 253, "She Hit My Head Three Times, I Hit Hers Seven Times", is the clearest early answer because it turns Shu Yan's situation into a concrete plot event.
Chapter 250, "This Jiang Li is Definitely Doing it On Purpose!!!", is the clearest early answer because it turns Shu Yan's situation into a concrete plot event.
Chapter 93, "Why Consult a Fortune Teller When a Child is Lost?", is the clearest early answer because it turns Child's situation into a concrete plot event.
Chapter 339, "Today's Windfall Luck!", is the clearest early answer because it turns Eric's situation into a concrete plot event. A useful checkpoint is the way the scene starts with The models had already stopped their runway walk when they heard the...
Chapter 212, "This Guy is Actually Chasing Su Yinwan?", is the clearest early answer because it turns Director Sun's situation into a concrete plot event. The chapter gives readers a real answer by opening on Although she appeared outwardly flattered, in fact, her heart was...
Chapter 177, "You Annoy Me Just By Being Here", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event. Early on, I'm actually the last?!" After the scores were announced, Wen....
Chapter 349, "Attempting to Cheat, East Ridge's Strength, Lu Yang's Tactics", is the clearest early answer because it turns Lu Yang's situation into a concrete plot event. It opens with The five people, including Zhu Tong, were all bowing their heads at... and closes on Bringing only Zhao Hu and three others over, how could he rest.... The key payoff is that the chapter closes with Seeing the five leaders' eyes all gathered on him, a faint gleam flashed in the depths of Lu Yang's eyes.