I had this for while. Is this the kuru kuru kururin everyone keeps talking about? : r/HonkaiStarRail
Kuru Kuru Kururin (GBA) - The Cover Project
Kuru Kuru Kururin (Game Boy Advance) - real or fake? : r/gameverifying
even i can hear it when im sleeping kurukuru kururin kurukuru kururin kurukuru kurukuru kururin kono daiamondo agerune kurukuru kururin Honkai: Star Rail | HoYoLAB