Nux starts to rush forward, but he's clearly confused, not even knowing who to punch offhand. He assumes a fighting stance anyway, raising his fists, looking between the two men who were previously locked in something like quiet combat.

Then Misa's walking right past him and slapping Ryuzaki harshly across his blood-smeared cheek, shouting at him, and the content of that shout makes Nux's eyes go wide.

The poor boy is always the last to know.

"Wh-what? Misa, you're gonna have a baby? Oh... oh wow! Congratulations! There's gonna be a baby in Shepherd's Haven!"