The Perfect Senior's Secret! summary: 완벽한 선배의 Hide! Taehyuk is the department’s top student and the ultimate “golden boy”—kind and gentle to everyone. But behind that perfect facade, is there a total lunatic hiding inside? Moeum is the only one among her classmates who knows his secret. And now, that lunatic is becoming increasingly obsessed with her. The chaotic campus life of these two starts now!