Nico Nico Nii is the signature self-introduction of Nico Yazawa, a member of the school idol group μ's in Love Live School Idol Project, the Japanese multimedia idol franchise that became widely known through its 2013 anime series. In the show Nico delivers the chant with a heart pose, presenting herself as the group's number one idol. Clips of the moment spread through anime edits, fan videos and short-form reaction posts, where the phrase became shorthand for cute confidence. It remains popular because fans instantly recognise both the character and the pose behind the sound.