This article provides an overview of the laws and regulations regarding unmarried couples staying at hotels in Japan. It explains that it is generally not allowed for unmarried couples to stay together in the same hotel room, but there are some exceptions depending on the specific hotel location and policies. It also provides tips on how to find a hotel that is willing to accommodate an unmarried couple, such as having valid identification when checking into any hotel and having proof of relationship status such as marriage certificates from their home country. Lastly, it lists some of the best hotels that accept unmarried couples in Japan.