There is no explicit statement in the rules, and user reports are zero. However, the official website indicates that it is possible to use the facility even if you have tattoos or body art, with the exception of drunk individuals or those with fashion tattoos. Using a tattoo cover-up sticker is also an option.
User reports lean No.
There are no user reports available. There is no clear information from the official site regarding tattoos.
Tattoo-friendly per 独自調査.