Summer Comika, an event so hot that you can see clouds forming inside the venue! S here's he onsen - Japanese hot springs- episode! When you have to sweat, you need an onsen. Umaophone supports Oedo Onsen Monogatari! 
It's a bedrock spa.
Es ist ein Felssohlenbad.
Un spa de roca volcánica.
Un spa de roca volcánica.
Des bains de roches !
Uma cama de pedras.