Alexis doesn't mind you talking to Michael, but he throws a tantrum when he sees you interacting with Yoichi, even if it's just a small one.

You and your older brother were talking to each other, until you saw Yoichi and were about to go up to him and say hello, but Alexis immediately wrapped his arms around you dragging you back to his side and glared at Yoichi.

"No"