Definitely not. Incestuous relationships are not something to be glorified or sexualized in fan fiction. While fan fiction can explore different aspects of characters, this type of content is inappropriate. It can have a negative impact on the perception of the original work and may also make other fans uncomfortable.
No, it's not appropriate. Cersei and Jamie's relationship in the original story already contains elements of incest, which is a controversial and unethical topic in most moral frameworks. Writing sexual fan fiction about them further crosses the line of propriety and can be offensive to many people.
The best chapter pointer here is Chapter 227, "There's Something Wrong with This Stepmother". It opens with Your Four Pillars of Destiny is very strong, with wealth, authority, and... and closes on Your three palaces are prosperous, and correspondingly, your marriage....
Look to Chapter 247 for the clearest answer. It begins with Facts have proved that arch-enemies often understand each other the best., keeps building through It was barely dawn, and Jiang Yan had already had a meltdown., and lands on Why should he expect food without contributing?] [Support!.
Look to Chapter 232 for the clearest answer. It begins with But soon, she suppressed this strange feeling and slowly began to speak,..., keeps building through I'm the oldest, so I should get this chance!" "Get lost, I'm the youngest..., and lands on The moment he saw the information come through.
If you want the clearest chapter reference, go to Chapter 225. Early on, When Zhao Lang's devastatingly handsome face appeared, all six people...; later, the chapter leans on Damn, boss is so handsome, so powerful!" "Boss, I love you, when are you....
Chapter 213 is the strongest chapter-level answer because it starts from Jiang Cheng also noticed where Jiang Shixu's attention lay. and follows through on As soon as they were seated, Lin Manru picked up the public chopsticks,....
Look to Chapter 216 for the clearest answer. It begins with The production team also took advantage of the situation to start an..., keeps building through The enthusiasm has not dwindled over time., and lands on However, the next second, He Yun, who had hardly ever spoken to him,....
A practical answer is Chapter 261, because it turns the idea into a concrete scene. The chapter opens with The village chief's eyes nearly popped out after he heard the whole story., adds pressure through She probably had an affair with Director Sun long ago, after all, she..., and ends on Is it.
The best chapter pointer here is Chapter 213, "Shi Xu, You Must Understand How to Balance Meat and Vegetables". It opens with Jiang Cheng also noticed where Jiang Shixu's attention lay. and closes on As soon as they were seated, Lin Manru picked up the public chopsticks,....
Look to Chapter 261 for the clearest answer. It begins with The village chief's eyes nearly popped out after he heard the whole story., keeps building through Their village had been harboring criminals involved in illegal wildlife..., and lands on Is it necessary to be so guarded against me?.
If you want the clearest chapter reference, go to Chapter 246. Early on, At that moment, not only Su Yinwan but also Shang Shaojing's complexion...; later, the chapter leans on Beside them, Shu Yan wore the shocked expression of someone who had got....