SigSig - pop'n music 16 PARTY♪

"SigSig - pop'n music 16 PARTY♪" is a high quality rip of "SigSig" from pop'n music 16 PARTY♪.

Joke
At 0:10, the advertised track is mashed up with the song "Koi (恋)" by Gen Hoshino.

Trivia
This could be uploaded to celebrate Valentine's Day.