The Three Sisters of Tenmasou Inn

Tenmasou is a longestablished inn atop a mountain overlooking the sea in a town called Mitsuse that exists between heaven and earth The inn is run by Nozomi Tenma the proprietress Her younger sister Kanae works as a dolphin trainer Their mother Keiko is the inns elder proprietress who is still resentful of her exhusband that deserted his wife and family