Talk:Umi Osho/@comment-73.166.105.189-20190730211907/@comment-10429980-20190730221106

Its from the same tale that Otohime is from, Urashima Taro:

In short, the main character gets invited to the dragon palace (where Otohime lives) by a turtle he rescued from some kids who were toying with it. Hence KC made umi-osho into a undersea guide that also is a bit of a masochist.