There could be some. You might want to check out fanfiction websites like Archive of Our Own. However, the availability and quality can vary. Sometimes it takes some searching through different tags and filters to find the really good ones.
Yes, there are likely some out there. But keep in mind that yaoi fanfiction often involves a specific style of writing that focuses on male - male relationships in a certain way. You may need to explore different fan communities and platforms dedicated to Undertale and its AUs to come across outertale gaster x gaster yaoi fanfics. It can be a bit of a hunt, but if you're persistent, you might find some interesting reads.
There may be some fanfiction in this regard. First, you can start by looking for outertale - related forums or groups where fans discuss and share their works. Additionally, on some large - scale fanfiction platforms, use the relevant search terms such as 'outertale gaster x gaster' and 'yaoi' to narrow down the search results. But remember, not all of them will be of high quality, so be prepared to sift through a bit.
The best chapter pointer here is Chapter 82, "Jiang Yan and the Chicken Go Viral!". It opens with Jiang Li gave her a fleeting glance. and closes on And so, aside from Wen Jiaojiao, the remaining five set off, each....
The best chapter pointer here is Chapter 40, "The National Museum Speaks!". It opens with [Jiang Li claims she copied this herself? and closes on The handsome guys on this show are so difficult to deal with..
Look to Chapter 47 for the clearest answer. It begins with Qi is actually second???] [Did the production team make a mistake?, keeps building through Isn't Qi supposed to be first?] [So who's first?, and lands on Qi is so excellent and only got 17, yet Jiang Li comes in with 22?.
The best chapter pointer here is Chapter 86, "If you don't welcome me, why should I stay?". It opens with After over an hour of fuss, it was finally time to eat. and closes on But then her expression became resolute and arrogant..
A practical answer is Chapter 46, because it turns the idea into a concrete scene. The chapter opens with Upon hearing this, everyone but Jiang Li perked up with high alert., adds pressure through There must be some mistake with the crew's calculation, I demand a..., and ends on Did you calculate.
The best chapter pointer here is Chapter 44, "Laozi's Hands Are Made to Drive a Ferrari!". It opens with But the next move by the production team proved they hadn't forgotten the... and closes on Does anyone here know how to drive?.
If you want the clearest chapter reference, go to Chapter 74. Early on, Having seen Jiang Li's ID before, he knew that this person named Shiguang...; later, the chapter leans on And he only knew the answer to that one question..
If you want the clearest chapter reference, go to Chapter 56. Early on, Lei Shen originally had no idea about the trending topics on Weibo.; later, the chapter leans on He had been busy renovating his studio for a while and hadn't even had....
Look to Chapter 68 for the clearest answer. It begins with Jiang Li carried the noodles straight out of the kitchen and came to the..., keeps building through Uncle had already returned from the fields, and he was sorting through a..., and lands on But didn't Uncle Zhao say he was still sick?.
Chapter 56 is the strongest chapter-level answer because it starts from Lei Shen originally had no idea about the trending topics on Weibo. and follows through on At this moment, Lu Xingchao was still in the dark..