Woah I just accidentally stumbled upon this song that I've heard a million times and had no idea where it was cuz I just looked up hinagiku after hearing the name of a band that did naruto music.
its a parody from hayate no gotoku. hina sung this in the episode "a cruel idiot's thesis" . so that's why its a hayate no gotoku picture is here and plus the vocals are slightly different and if you watched the anime, then you should know that this is hinagiku's voice.