Serial Number Yon Ichi Hachi / Enpahyoubyou

 (シリアルナンバーヨンイチハチ/煙波縹渺) is the 7th digital single released by PETERPAN SYNDROME. It.

Tracklist

 * 1) Serial Number Yon Ichi Hachi (シリアルナンバーヨンイチハチ)
 * 2) Enpahyoubyou (煙波縹渺)
 * 3) Serial Number Yon Ichi Hachi (instrumental)
 * 4) Enpahyoubyou (instrumental)

Featured Members

 * SHUKi PETERPAN
 * FUJiTA PETERPAN
 * EMOi PETERPAN
 * AYATO PETERPAN
 * YUTO PETERPAN

Trivia

 * The single was removed from all streaming services in mid January 2023.