Since I don't know the details of this 'becoming sex story', it's difficult to say. It could be about a character's journey towards understanding their own sexual identity. However, without more information, it's all speculation.
I'm not sure which specific 'becoming sex story' you are referring to. There could be many stories with this title or a similar name. It would be helpful if you could provide more context.
Chapter 16 is the strongest chapter-level answer because it starts from Just as the words fell, Jiang Shixu swiftly cast his eyes downward. and follows through on Jiang Shixu panicked, set down the bowl, and reached forward to grab her....
Chapter 787, "Changing Fortune", is the clearest early answer because it turns Lu Yafei's situation into a concrete plot event. It opens with How could she know about these things? and closes on He immediately stood up and went to the Scripture Pavilion..
Chapter 718, "This Person Is No Longer the Same Person", is the clearest early answer because it turns Mystical Skills's situation into a concrete plot event. It opens with Changqing noticed her amazed gaze and his eyes also shifted to the...
If you want the clearest chapter reference, go to Chapter 4. Early on, Qiao regretted her words as soon as they left her mouth.; later, the chapter leans on Whether Jiang Yan can be found or not was another matter..
Chapter 815, "You've eaten through all the savings!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Jiang Zhao Yuan was quite surprised, "Right, absolutely right, haha,...
Chapter 851, "Peace Charm", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. A useful checkpoint is the way the scene starts with She initially came with the expectation of becoming the Gu Family's...
Chapter 757, "Don't come begging us then!", is the clearest early answer because it turns Don's situation into a concrete plot event. The chapter gives readers a real answer by opening on Old Man Cheng's guess was spot-on.
If you want the clearest chapter reference, go to Chapter 1. Early on, Jiang Li, I'm warning you, don't set your sights on Yinwan anymore, or...; later, the chapter leans on Following a bout of tinnitus, she struggled to open her eyes and finally....
Chapter 911, "You Have Three Children?", is the clearest early answer because it turns Prosperous God's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Bufan stood still, with his eyebrows furrowed, as if he was...
The best chapter pointer here is Chapter 33, "Variety Show of Villains". It opens with Following the announcement, five artists respectively reposted the Weibo—... and closes on Although Su Yinwan was considered half a goddess to him, the whole thing....