>>1487041That's not it. Let me explain...
The song you're referring to is actually an insert song from the anime Macross Frontier (Macross F), sung by the in-anime character diva, Ranka Lee, doing odd jobs at a grocery store, would sing jingles to promote products during her early, struggling days before she rose to fame.
The song was composed by Kanno Youko, who is known for creating most of the music in Cowboy Bebop, GitS SAC, Macross+, MacrossF, and the Aquarion series. Also infamous for extensive plagiarism.
The song is titled "Ninjiin Loves you yeah!"
anime scene
https://www.nicovideo.jp/watch/sm9148990full song
https://www.youtube.com/watch?v=kfNhXzJ3lSEWhat
>>1487043 anon posted is actually a cover of this song with different, more depressing lyrics. It was posted on NicoNico Douga under the title "Everything is too late now," as a cover of "Ninjiin Loves you yeah!"
https://www.youtube.com/watch?v=1C7f-szHxGs 
