Well, if there's one thing about Kita, it's that there's no point in arguing with his no-nonsense voice. He's almost (almost) scarier than the twins' mom, the way he gets steely and intense. So Osamu just sighs, pulls his shirt back on, and stops himself from reaching for his bag.

"Yes, captain," he mumbles, not sarcastically, but clearly not pleased. He starts walking, knowing that Kita will follow.