Added gameplay_mechanics because Preservation March's skill can remove debuffs, which I think is represented by the green crosses here.

Aren't the toilet and the bath normally in entirely separate rooms?

FJH said:

Aren't the toilet and the bath normally in entirely separate rooms?

The artist is from Vietnam. I’m not Vietnamese, but I searched for photos of Vietnamese bathrooms and found ones with the toilet and bath in the same room.

Blank_User said:

The artist is from Vietnam. I’m not Vietnamese, but I searched for photos of Vietnamese bathrooms and found ones with the toilet and bath in the same room.

Pretty much the case for some other Asian countries too.

Blank_User said:

The artist is from Vietnam. I’m not Vietnamese, but I searched for photos of Vietnamese bathrooms and found ones with the toilet and bath in the same room.

With a sample size of "most western European countries, and Japan" I can assure you that the it just varies a lot from place to place and even home to home.