This is a rather odd and uncomfortable topic. Such a cartoon would likely be considered inappropriate or even vulgar.
The idea of a cartoon featuring a guy and girl sharing an enema is quite strange and may not have any positive or educational value. It could potentially violate ethical and moral standards.
A practical answer is Chapter 15, because it turns the idea into a concrete scene. The chapter opens with Jiang Shixu woke up from those nightmares filled with blood and darkness,..., adds pressure through Jiang Shixu's mind was starting to cloud, but for some reason, when he..., and ends on Since.
The best chapter pointer here is Chapter 39, "Is This Book an Out-of-Print Buddhist Scripture?!". It opens with Qi Tianyu had been looking forward to watching Jiang Li's drama unfold. and closes on His original intention was just to make Jiang Li back off gracefully,....
Chapter 60 is the strongest chapter-level answer because it starts from What's with Jiang Yan, treating his own sister Jiang Li like this?" "He... and follows through on And in traditional characters?" "What else?.
The best chapter pointer here is Chapter 8, "Is He Shameless?". It opens with The resentment that had barely calmed among the crowd surged back two... and closes on Other people with a handsome and charming appearance often try to conceal....
If you want the clearest chapter reference, go to Chapter 34. Early on, Seeing that the public sentiment wasn't quite right, Su Yinwan felt...; later, the chapter leans on It was she who had anonymously paid someone to write the critical article....
Chapter 851, "Peace Charm", is the clearest early answer because it turns Rong Junsheng's situation into a concrete plot event. The chapter gives readers a real answer by opening on She initially came with the expectation of becoming the Gu Family's...
The best chapter pointer here is Chapter 28, "Beaten Up Again". It opens with The next evening, Jiang Yan drove home seething with rage. and closes on Lili then kicked his knee hard..
Chapter 922, "The Good Deed You Did!", is the clearest early answer because it turns Shang Shuyue's situation into a concrete plot event. The chapter gives readers a real answer by opening on Jiang Li skipped through those comments and called Zhao Lang back.
Look to Chapter 14 for the clearest answer. It begins with Lin Manru had a rare good night's sleep., keeps building through After freshening up, she specifically went to Jiang Yan's room on the..., and lands on But clearly, Lin Manru was unable to accept that her delicate daughter had....