What is Xiao Zhanyang's purple metaphysical boss?

Xiao Zhanyang's The Big Brother in Purple Metaphysics means that Sean and Andy are regarded by fans as people with mysterious or supernatural abilities. Sean and Andy are popular idols in China, and "Metaphysics Big Brother" is an online vocabulary used to describe those who are good at Metaphysics (mysticism, paranormal). So Xiao Zhanyang's "Purple Metaphysics Big Brother" means that Sean and Andy are regarded by fans as people with mysterious or supernatural abilities.