FNF: In Your Hearts Forever (Oshi no Ko)

Rating:4.2 (146 votes)
Released:December 16, 2025
Technology:HTML5 (Unity WebGL)
Platforms:Browser (desktop, mobile, tablet)

Rhythm Meets Pop Idol Magic inFNF: In Your Hearts Forever

Get ready to groove to the beat of stardom withFNF: In Your Hearts Forever, a fan-made rhythm game mod inspired by the hit animeOshi no Ko. Step into the shoes of Ai Hoshino, the beloved pop idol, and perform the emotional track “In Your Hearts Forever” in this unique Friday Night Funkin’ experience.

This mod brings together the charm of theOshi no Kouniverse and the thrill of rhythm battles, making it a must-play for fans of the series and FNF enthusiasts alike. Whether you're a long-time follower of Ai’s story or new to the world of pop idols, this mod delivers a heartfelt and musically rich experience.

Gameplay: Singing Her Heart Out

In this mod, you take on the role ofAi Hoshino, the talented and tragic pop idol fromOshi no Ko. The song “In Your Hearts Forever” is a moving piece that reflects the emotional core of the series, and your job is to keep up with the rhythm in classic FNF style. The mod captures the bittersweet tone of the anime with carefully crafted visuals and smooth animations.

Thanks to its online web port, this mod is more accessible than ever. You can enjoy it directly in your browser, no matter your device or operating system. While the web version may differ slightly from the original PC build, it still offers a high-quality and immersive experience.

What Makes This Mod Special?

  • Faithful to the Source Material: The mod draws heavily from theOshi no Koanime, capturing the visual style and emotional weight of the story.
  • Iconic Song: Perform one of the most memorable songs from the series, now reimagined as a FNF track.
  • Web Port Accessibility: Play it anywhere with an internet connection—no downloads or installations required for the browser version.

Meet the Creators Behind the Mod

This mod is the result of passionate work from a team of dedicated creators. Here's who made it happen:

Mod Team

  • QuetzalcoutlDev– Mod Creator
  • Kenny Orenji– Voice of Ai Hoshino

Game Engine Contributors

  • ShadowMario– Main Programmer
  • Yoshubs– Assistant Programmer
  • RiverOaken– Main Artist/Animator
  • bbpanzu– Ex-Programmer
  • Additional contributions from the open-source community on GitHub

Original FNF Credits

  • ninja_muffin99– Programming
  • PhantomArcade3kandEvilsk8r– Artists
  • kawaisprite– Music
  • And all the amazing contributors from the FNF GitHub community

Final Thoughts

FNF: In Your Hearts Forever is more than just a rhythm game—it's a tribute to the heart and soul ofOshi no Ko. With its moving performance, polished gameplay, and easy accessibility, it's a great way to relive Ai Hoshino's legacy. If you enjoyed the anime or love FNF mods with personality, this one deserves a spot on your playlist.