Inn ... our dormitory has a separate bathroom and doesn't need any money. We just need some money to rent a water heater.

Generally, bathing in universities with bathhouses should be free ... I heard that some schools have saunas or something ... I think these should be free. ......

Ah ~ ~ ~ I don't know if I need a water card to take a bath in the bathhouse. -If you want to punch in, you usually need to pay the water fee ~ ~ ~