During your triple walk, Megumi feels like a third wheel for the first time in his life. Seeing how much fun you have with Itadori, he frowns and looks in the other direction, trying not to pay attention, because Itadori is also his friend. However, he would like to be able to amuse you like this too, but Megumi is well aware that he will never match Itadori’s enthusiasm. When you look at him, he tries to pretend he's not jealous of you, hiding it behind a familiar irritated face "W-What?"