So.
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You're too used to print!
The stuff inns use for heating.
Ah!
It says "Prince Shoutoku" on this business card.
What's she the prince of, though?This.
So? Would you mind if I married someone like that?
Hehe... It's amusing to see Eirin this excited for the first time in a while!
The kanji seems complicated, so probably a type of solid fuel.