You can try looking on fanfiction - dedicated websites like FanFiction.net or Archive of Our Own. These platforms have a wide variety of fanfictions, including those related to Gohan's harem. Just use the search bar and type in 'gohan harem' and you should get a list of relevant stories.
Some social media groups dedicated to Dragon Ball fanfiction might also be a good source. For example, on Facebook or Reddit, there are groups where fans discuss and share fanfictions. You can post a request for gohan harem fanfiction in these groups, and chances are that some members will be able to point you in the right direction. But be aware that the quality of the fanfictions can vary greatly in these sources.
Chapter 186 is the strongest chapter-level answer because it starts from Seeing Wen Jiaojiao bravely entering the pigsty, Jiang Yan couldn't stay... and follows through on And in the instant she fell, the red rope tied to Jiang Yan also broke,....
If you want the clearest chapter reference, go to Chapter 179. Early on, Everyone originally had no expectations for the gifts that Su Yinwan...; later, the chapter leans on Although they felt there might be a catch, a few people still curiously....
Look to Chapter 141 for the clearest answer. It begins with It had happened in the afternoon when Aunt Ying's son and daughter heard..., keeps building through They went straight to Jiang Li's door and insisted on thanking her., and lands on Jiang Li couldn't help but laugh and cry..
Look to Chapter 163 for the clearest answer. It begins with Su Yinwan entered a small room, guided by a staff member., keeps building through Inside, there was only one sofa, and she walked over to it as directed by..., and lands on Moreover, by doing so, the online viewers would think her more.
Chapter 187 is the strongest chapter-level answer because it starts from During the competition, she passed by him numerous times, unfazed by... and follows through on Perhaps it was a pig that tripped you; they are quite aggressive, after....
A practical answer is Chapter 168, because it turns the idea into a concrete scene. The chapter opens with Su Yinwan spoke those words with a pitiable expression, then lowered her..., adds pressure through But this time, for lunch, Jiang Li cannot help, the rest of you must..., and ends on The Gu.
Chapter 177 is the strongest chapter-level answer because it starts from I'm actually the last?!" After the scores were announced, Wen Jiaojiao's... and follows through on It was with great difficulty that she had gained a wave of fans in the....
A practical answer is Chapter 141, because it turns the idea into a concrete scene. The chapter opens with It had happened in the afternoon when Aunt Ying's son and daughter heard..., adds pressure through Director Sun has already agreed, and the audience in front of the screens..., and ends on.
A practical answer is Chapter 168, because it turns the idea into a concrete scene. The chapter opens with Su Yinwan spoke those words with a pitiable expression, then lowered her..., adds pressure through But this time, for lunch, Jiang Li cannot help, the rest of you must..., and ends on The Gu.
A practical answer is Chapter 177, because it turns the idea into a concrete scene. The chapter opens with I'm actually the last?!" After the scores were announced, Wen Jiaojiao's..., adds pressure through Next time, stay away from me, I get annoyed just by seeing you., and ends on It was with.