Starting from a Graduation Piece, It Became Popular All over the Internet

[Entertainment + school beauty + single female protagonist + time travel + love + dog food + daily life + slap in the face] On a whim, the tuner Chen Yu played the time-traveling song in the movie "The Untold Secret" and actually traveled to the ordinary world, where he was a senior composition student who was about to graduate. Just as he was trying to get back by playing the tune again. The star school beauty who was invited back to school came downstairs...