Miko was an extreme person, she realized this to some extent. She took certain things like 'burn it with fire' quite literally when it came to her own desire to destroy bugs that disturbed her peace. Of course, in sharing the story with Yugi she figured it was just one of those things, he'd understand knowing that he knew her parents. As for her age at the time of the 'incident', it was in her more recent past technically about about 6 months before she met Yugi. "I mean probably not, but it would have been hell replacing that piano," Miko asserted. No matter, they were being dropped into a party and it was not going to be a pleasant experience.
Beyond that Yugi claimed that he'd be in charge of pretending to be in the charge of a dickhead. Miko nodded, she didn't know when an official switch would take place or how long it would be before the situation became villainous but she figured on the fly thinking was best left to the one with less extreme reactions. In this moment the people on the floor seemed to wonder about Gojo's presence but Miko knew he wasn't going to involve himself. No, this would be a 'struggler's battle' that was the only thing that made sense to Miko. What didn't make sense was after those people spoke, this 'leader' immediately tried to sow discord. He brought up Makima, tried to claim these kids were part of some plan of hers and also immediately questioned their usefulness. For a man who'd had his whole party wiped he was full of audacity, 'Really, 35 seconds into our first Dungeon Break and we're already being checked by a Silver Saint. The same one who didn't follow the Mommy's directions in the first place, stupid...' Miko mentally mused. She looked to Yugi, having let him take the lead she'd only spill the beans after he did.