Related to JKT48. HeartXBreak comics tell the story of a world where mutants called I.D.O.L. only develop in girls who reach puberty. Then tests and experiments on the only mutant failed and the mutant named Ayaka exploded. After that, mutants were hated by society until seven mutants named Seven Royal moved to solve the problems in this world, and they became heroes. Yuvia began her new life as part of I.D.O.L. (Source: MU)