The title comes from the katakana spelling ニューダーリン, which transliterates the English words New Darling into Japanese syllables. Clips with short affectionate phrases like this circulate widely on soundboards because they are easy to reuse without explaining the original scene. Its popularity online rests on the playful delivery and the recognisable darling wording, which editors borrow for romance parodies, anime edits and reaction posts. Because the phrase is in English while the writing is Japanese, it travels across audiences and keeps being shared as a light hearted meme sound.