After Gou joins the team, Jan gets flustered and runs away. The others think it's because he doesn't like their new teammate. On the contrary, Jan thinks Gou is awesome...he got flustered trying to think of the best place for Gou to stand when they do their poses.
Jan surprised by Mele's new form after accepting Gengi: "AH! Mele has super beast on!?"
The Sukeban episode, after Miki reveals her origins, Natsume could only curl and say "I'll never disobey mom again from now on..."