This is a masterpiece, it's a puzzle, the kind of puzzle which keeps u hooked from the start.
sci-fi? yes
romance? yes
psychological thriller?yes
humorous? yes
dramatic?yes
its everything and it gives you the right amount of everything, you'll start loving every characters. there's no plot holes, just solid piece of story with every clue pitched into each episodes which makes sense later on. there's a lot of student life, how things are in real life, how younger generation have to fight for basic human values. You name it. this have it.
100/10 will absolutely recommend!!!