[ ...Oh. Given the initial reaction, Makoto wasn't quite expecting to be forgiven so easily, so color her pleasantly surprised! Her expression softens before she's excitedly holding up her book for Mordred so see. ]

It's a history of Akvos. Apparently, there used to be males in the kingdom, but they were all banished long ago. I wonder if the queen that exiled them is same one that's still ruling now...

[ The book made it sound like this had all taken place a long time ago, but Makoto has no idea what the average lifespan of a mermaid is. ]