Sakuji Shiomi

A Japanese geologist discovers that dinosaurs still exist in caves beneath the surface of a volcanic lake.

Natsu, the older of two sisters, has a relationship with Yonosuke, the local kimono trader. Unlike her more conservative sister Oshichi she tries to use sex as a means to climb to a better social position. To even attempt that she first needs to get out of the Buddhist monastery she is working at...