" Puberty 2 " was not " Youth Lost Paradise " nor " Puberty 2 ". There were no official sequels to the " Puberty " series, so readers often referred to it as " Puberty ". However, if there was a sequel to the " Puberty " series, it would be the first one to follow the " Puberty " series, not the second one. Usually, sequels would inherit the theme and plot of the first film and develop new adventures and storylines on this basis. However, since there was no official announcement for the " Puberty " series, this was still an unknown question.