The line comes from Steins Gate, the 2011 anime adaptation of the visual novel, where Mayuri Shiina, the gentle childhood friend of Rintaro Okabe, greets people with Tuturu. The catchphrase became her defining trait and spread through anime forums, fan edits and soundboards as a shorthand for her character. A shorter Tuturu clip also circulates on its own, but this version keeps the full self-introduction. Its lasting popularity comes from how distinct and kind it sounds, making it easy to recognize and reuse.
About this sound
Mayuri Shiina says her cheerful Tuturu greeting in this short Steins Gate clip, used as a cute anime sound effect for greetings and reactions.
This is Mayuri Shiina introducing herself with her signature bright greeting, Tuturu, Mayushii desu, delivered in a soft, high and sing-song voice. The line lasts only a few seconds but the bouncy rhythm and innocent tone make it instantly recognizable, even out of context. It feels warm and disarming rather than dramatic, which is why it lands as a sweet surprise when it appears in an edit. Viewers familiar with Steins Gate hear pure Mayuri kindness, while new listeners hear a cheerful anime hello that lightens the mood immediately.