Kaga, Katsuragi and Zuikaku all seem flustered to have theirs be seen, whereas Shimakaze is more embarrassed, and the last two?
Frankly, the smiles on Yamato and Musashi's faces are the easy smiles of two confident futa girls who know you're wondering what those huge monsters of theirs would feel like, and honestly if you don't stop staring you're about to find out whether you ask or not.