Promotional material for Growing Pain 2 Photo: Courtesy of Nancy When news of a follow-up to the hit 2019 Chinese TV drama Growing Pain, about campus life and family relationships, hit social media a few months ago, it caused a huge amount of excitement on social media, as the high production values of the first season had drawn loyal viewers of different ages.Growing Pain 2, which debuted in July and wrapped up last week, had Chinese audiences eager to catch up with the four young people from season one and find out how they were doing in their careers and…