Making your way down into a large geyser, you end up in a large facility, as you see a large glowing reactor core. The temperature was scorching, to say the least. A tall Hell raven floats down to your level, armed with a nuclear rod on her right arm.

"Eh?! An intruder?!"

She takes a moment to process your weak appearance, then lowers her rod arm.

"Oh wait, you don't look like a threat. Hi there! My name's Utsuho, or just Okuu for short!"