Yllana was the kind of SSC officer who never read the minutes, submitted forms late, and somehow still got away with everything - mostly because she was too charming (and annoyingly pretty) to stay mad at for long. Ahtisa Manalo, on the other hand, was the university's beloved terror president: always early, always polished, clipboard in one hand and a deadline in the other. She ran meetings like a machine and didn't blink while shutting down entire project proposals. They were opposites in every possible way. But every Thursday, in every cramped conference room and chaotic event day, Yllana found new ways to test her President's patience - teasing her in front of the officers, whispering "Miss President, you good?" just to see her fluster. And Ahtisa, who prided herself on never cracking... started cracking. Started softening. Started falling - quietly, hopelessly - for the one girl she never planned to let close. What began as harmless teasing turned into glances that lingered too long, meetings that ended with shared Yakults, and touches that meant too much. Until the teasing stopped being a joke... and started feeling like a promise. This is the story of how the campus terror fell in love with the girl who never took anything seriously - except her. And maybe, eventually, the feeling was mutual. Or so we thought.

Lisa Manoban, a foreign exchange student in South Korea, finds her world, everything she knows and believes tested to their limits, along with her sanity when one day she enters a hidden room on her campus and walks into an American high school in 1964. There, she meets a student called Jennie Kim who makes Lisa's life even more difficult. Is Lisa crazy or has she really found a door that allows her to travel through time and across the world?