Sure. One great source is Archive of Our Own (AO3). There are numerous steven universe male oc fanfictions there. You can search by tags like 'Steven Universe' and'male original character' to find some interesting reads. Some fanfictions focus on the male oc's adventures within the Crystal Gems' world, while others might explore his relationships with the existing characters in the show.
Well, FanFiction.net also has a good selection. Look for stories with high ratings and a lot of reviews. A popular type of steven universe male oc fanfiction involves the oc having unique gem powers and how he uses them to either help or cause trouble in Beach City. Another aspect could be his backstory, which might be related to a different planet or a secret part of the Gem lore.
There are some steven universe fanfiction communities on Reddit as well. People often share their own male oc fanfictions or recommend ones they've read. Some fanfictions might center around the male oc's integration into the human - gem society in Steven Universe. It could be about how he copes with the cultural differences between humans and gems, and how he forms friendships or rivalries with the characters we already know from the show.
Chapter 196, "Sword Puppet, the First Intermediate Squad (Part 3)", is the clearest early answer because it turns Thunder Kui's situation into a concrete plot event. The chapter gives readers a real answer by opening on Only because its seemingly impossibly soft sword puppet abdomen, as... and ending on Qiu Peng was no exception, rubbing his sore arms, glancing at the....
Chapter 189, "The Provoked Xiao Hen, New House, Xia Li", is the clearest early answer because it turns Xiao Hen's situation into a concrete plot event. The chapter gives readers a real answer by opening on I remember that Lord Yue Feng's Mountain River Team was just... and ending on By all accounts, his talent was no match for Xiao Hen, and even Xiao....
Chapter 184, "Leap in Productivity, Territorial Expansion, Xia Chuan's Opportunity", is the clearest early answer because it turns Xiang Han Fruit's situation into a concrete plot event. It opens with The first time to hunt an Intermediate Snow Mane, if I remember... and closes on Leader..." Mu Dong intended to dissuade him but saw Xia Hong's face....
Chapter 254, "Alchemy, Special Envoy, Longyou", is the clearest early answer because it turns Great Xia's situation into a concrete plot event. It opens with Solidified Fire Oil, truly a miraculous substance! and closes on This is personally ordained by our leader, and we ask Xia Hong to....
Chapter 203, "Shock, Prisoner Rules, and What Constitutes Guilt?", is the clearest early answer because it turns Wang Lie's situation into a concrete plot event. The chapter turns that into something concrete by moving from Four families, numbering five to six thousand people, gradually... to how is this possible..." Recalling what his father just said, Xiang....
Chapter 207, "Improving Corvée Labor and Changes in the First Year", is the clearest early answer because it turns Cold Resistance Level's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Inside the main hall, more than a hundred people, and tens of... and follows through with From the various materials obtained from the Cold Beast, to weapons....
Chapter 191, "Repelling the Enemy and Punishment, The 1st Wedding", is the clearest early answer because it turns Xia Chuan's situation into a concrete plot event. A useful checkpoint is the way the scene starts with Yes, Chief!" "I'll head back to camp first." Xia Hong left a word,... and follows through with With this start, things will be easier to handle afterward....
Chapter 168, "Snow Bamboo, Longyou, Sudden Wealth", is the clearest early answer because it turns Zhu Ling's situation into a concrete plot event. The chapter gives readers a real answer by opening on Chief, the corpses from earlier have all vanished. and ending on How to manage and integrate these over three thousand people will.... In story terms, the chapter closes with "Chief, this is called Snow Bamboo. The spiky layer outside can autonomously sense and attack enemies from the front.
Chapter 167, "Seizing the Mirror, He Yuanhun's Confidence", is the clearest early answer because it turns Beast Blood's situation into a concrete plot event. The chapter gives readers a real answer by opening on From the moment he emerged, the Mirror Immortal Camp was no longer a... and ending on From 300,000 jin, it directly soared to 900,000 jin..
Chapter 233, "The Army Sets Out, Yang Lu Changes, Mid-stage Cold Resistance", is the clearest early answer because it turns Han Jiuli's situation into a concrete plot event. Early on, Brother Lin, is Chen Yingyuan's side going to be alright?" Wu Xiong.... By the end, Longyou's army should be Long Mountain's elite.. Inside the broader battle storyline, the chapter closes with "Same for me.