The ama asked him whether her child will be officially acknowledged as his son if she finds the treasure from the Palace of the Dragon King even though she is a woman of low birth; and when Tankaiko gave her a positive answer, she jumped into the sea.
海女はその宝物を竜宮からとりもどせば、身分の低い自分のようなものが生んだ子でも正式な息子として認めててくれるかと問い、淡海公の確約を得て海にとびこむ。