This video is dedicated to learning about Onsens (Japanese hot springs) and how to visit them. This visit provides examples of what to expect, how they function and the rules associated with them.
Here are some great onsen resources:
The Marriott's Guide to Onsens:
A website dedicated to seven amazing onsens in Japan:
30 Tattoo-friendly onsens in Japan:
Japan Guide's webpage dedicated to Onsens in the city of Hakone: