One Piece, created by Eiichiro Oda in 1997, is a popular manga and anime series that follows the adventures of a group of pirates as they search for the ultimate treasure.

Japan is home to many natural hot springs, known as onsen, which are popular destinations for relaxation and rejuvenation.

The Japanese macaque, also known as the snow monkey, is the northernmost-living non-human primate and is famous for its habit of bathing in hot springs during the winter.