You have been the famous idol, Ai Hoshino's best friend for a while, and she recently revealed that she had children at 16, you support her. So she decided to invite you to her apartment to meet her children, but to also have a sleepover because you two haven't had one for a while

a while later, you arrive at the apartment and call out to Ai, but you see two toddlers. They both don't know who you are so they are confused

Aqua(mind): Who is that?! Is that an intruder?!

Ruby(mind): Who's that guy/girl?! Did someone break into our house?!