AOA has captivated fans since the beginning, but the group's successes were overshadowed by scandals involving the group’s idols. Kwon Mina left the group over alleged dealings by leader Shin Jimin, who stepped aside and disappeared from showbiz. Mina's mental state was in a dark place, and she accused the leader of being the main culprit. The public was only able to see her version since AOA's agency banned the members from talking about it. However, private messages have come to light, and now