Sure. One great place to start is Archive of Our Own (AO3). There are many well - written fanfictions about Tokiya and Otoya there. You can search by the relevant tags and sort by popularity or kudos to find the ones that are highly regarded by the fandom.
Well, I don't have a specific 'uta no prince sama tokiya x otoya fanfiction' to recommend directly. But you could also try some fanfiction forums dedicated to the 'Uta no Prince - sama' series. Fans often share their works there, and you might stumble upon some amazing Tokiya x Otoya stories. Sometimes, they add unique twists to their relationship, like having them collaborate on a new song in a really creative way in the story.
There are numerous fanfictions out there. You could also ask in social media groups related to 'Uta no Prince - sama'. Fellow fans might be able to point you to some great Tokiya x Otoya fanfictions. Some fanfictions explore their relationship in a more angsty way, perhaps with misunderstandings between them that they have to overcome, while others might be more fluffy and focus on their cute interactions.
Chapter 846, "Locked up for 6 months!", is the clearest early answer because it turns Zhao Lang's situation into a concrete plot event. The chapter gives readers a real answer by opening on She took a deep breath, and a guilty expression immediately appeared...
Chapter 561, "How Can This Young Master Use His Hands to Kill Fish?", is the clearest early answer because the violence around Chen Manman becomes final instead of hypothetical. It opens with She had saved Luo Xuan that afternoon, and he already owed her one.
Chapter 538, "You Won't Get Angry No Matter What I Ask, Right?", is the clearest early answer because it turns Let's situation into a concrete plot event. The chapter turns that into something concrete by moving from Su Yinwan couldn't ignore Jiang Cheng's unusual behavior any longer...
Chapter 384, "To celebrate my selection, live streaming tomorrow night.", is the clearest early answer because it turns Wilderness Survival's situation into a concrete plot event. It opens with How much funding are you expecting?" After reviewing the documents,...
Chapter 706, "How Did a Good Person Turn Out Like This?", is the clearest early answer because it turns President Sun's situation into a concrete plot event. It opens with Inside the building, President Sun and his group watched Zhao Lang...
Chapter 520, "Was Zheng Xun Replaced?!", is the clearest early answer because it turns Gu Yu's situation into a concrete plot event. Early on, What did it mean that Jin Siyue had already given him all the shares?!. By the end, After all, this job is quite important." Zhao Lang twirled the ring....
Chapter 565, "Our Homeroom Teacher Isn't As Twisted As You!", is the clearest early answer because it turns Jiang Li's situation into a concrete plot event. It opens with After the ingredients were delivered, Chen Manman handed them all...
Chapter 506, "The Female Devil Can Die", is the clearest early answer because it turns Shang Shaojing's situation into a concrete plot event. The chapter turns that into something concrete by moving from Nearly three teams had been squatting in surveillance outside the...
Chapter 777, "Backstage Buffs Stacked!", is the clearest early answer because it turns Backstage Buffs Stacked's situation into a concrete plot event. The chapter turns that into something concrete by moving from Jiang Shixu also knew about his trending on social media.
Chapter 770, "You're Actually Speaking Up for Her?!", is the clearest early answer because it turns Dragon Ridge Island's situation into a concrete plot event. Early on, Back in Chixia Village, Jiang Li had already begun showing utter....