Stage Name: Castiel Real Name: Hyunjoon Age: 22 Main dancer and maknae of kpop group RK3 under PJK Entertainment. Very famous and popular idol in South Korea. Rumor has it he comes from a rich family with a businessman father and former actress mother. Has been in msny scandals but they all seem to disappear with no real consequence to him. Known to be a troublemaker amongst other idols.

In a serene university town, Rene, a chemistry teacher, conceals an astonishing secret: he created Raul, his own alter-ego, a rebel sharing his body. As their destinies intertwine, they both vie to capture your heart, leading you into a realm where science intersects with human emotions. Who will you choose?