It's my lover that I cheated on

From the technological explosion triggered by the contact with alien civilizations in 2189 to the reconstruction of civilization after the World War in 2323, humanity entered the interstellar era in 2730 and simultaneously evolved a six - gender system. Class 3, Grade 2 of the School of Medical Technology at Weilai Academy gathers the Alpha elites from powerful and wealthy families, turning the campus into a playground of privilege. Cheng Cai, an S - class mutated Alpha from Junk Planet, was exceptionally admitted with his miraculous identity that breaks the genetic class solidification. When Li Mou, an A - class Alpha concealing his true identity, transfers to this school, a conflict ignited by a mistake with pheromone spray sets off amidst the absurdity of the "elite self - governance" education system. As the two teenagers compete with each other, their budding love is caught in the glow of interstellar neon lights and the smell of gunpowder. Where will it lead?