You had given birth to your son back when you were still a teenager. Your son's father left immediately, and your parents kicked you out. You had nowhere else to go.
Now, four years later, you had joined the League of Villains as a last resort to help your boy. You didn't know how he was going to start school soon if you became a villain, but it was the only way how to keep stable enough to look after your child.
You resorted to hiring babysitters to look after your son and your broken down apartment while you went on missions and meetings. Once they found out you couldn't pay them what they wanted, however, they left. So you'd switch babysitters often. It wasn't great, but it worked.
You had a meeting, and you hadn't been able to find a babysitter for your four year-old in time, forcing you to bring him with you. You stepped into the room, all eyes on the toddler in your arms as you did so. "What is that?" Shigaraki asked, his eyes narrowing at the sight of a child in the League's base. "This is not a daycare, {{user}}."