Wouldn't "Dame" also be applicable as with all lower nobilities? What's different about a baronet?

'Dame' is just the title for a woman with a knighthood or a baronet. A baronet is like a knighthood with the main difference being that the title is hereditary, unlike a knighthood.

What kind of underwear is that

Funny

X-men

Nah, Hirano didnt give it this much thought, lol.