The two in the background, who are they?

ampzz said:

The two in the background, who are they?

My guess is U-557 (purple hair) & U-47 (black hair)

...Is it normal for onsen water to have that kind of color?

Frawnkenstein said:

...Is it normal for onsen water to have that kind of color?

Lighting does a lot to the colour of water

ampzz said:

The two in the background, who are they?

Blue-haired girl is HaneRu's original.

Unsure about black-haired one.

Frawnkenstein said:

...Is it normal for onsen water to have that kind of color?

The Ironblood have beer baths. Because apparently everyone who is German has to be obsessed with beer.