Will fate bring us back? (Moments with my idols)

Warning: mature content!   Ara. Teleporting to her idol dorm every night, she fell in love with the visuals of the so-called FFB South Korean boy band. Her ex came to her on her conviction day.   But before that, ML attracted her heart with his passionate, intensive kiss, which he did to save her profile in front of her betrayed ex.   ML's ex wants to kill FL out of jealousy of Ara's enchanting look.   In the rescue moment, Dae Seong, one of the members of FFB, found Ara, his dead sister, who had not died but had grown up in an orphanage.   He began to show his brotherhood to both ML and FL.   When ML found the murderer of his family, every happy moment, they had together headlong into misery.   Already a red flag, ML, turned into a vicious one.   Always calm FL, Ara, turned into a mentally disabled person because the slap ML wanted to give her brother fell on her.   Will the three of them find each other again?    What is the real secret behind the accident?