タトゥーシールで隠せばオッケーです。と紙が貼られていました。店員さんに言えば隠すシートもらえるそうです。（お金かかるかは不明）

There was no problem as it was only a unit bus in the room.

It is only a unit bus. There is no public bath.

There was no problem as it was only a unit bus in the room.

There is no problem because it is only the unit bus of the room.

There is a public bath. I did not specifically prohibit tattoos.