The food was a highlight: lots of fresh seafood from the Sea of Japan, every dish delicious, and more than satisfying for the price. I had mentioned beforehand that I don't like fish with bones, and they took that into account so thoughtfully. After walking over from the station, I was worn out, and a soak in the natural spring bath helped me unwind physically and mentally. The water comes straight from the source rather than being recirculated, has a pH of 7.4, and felt gentle on my skin. It runs a little hot; the young owner adjusts it by hand, and you can add water yourself if needed. I picked the inn for its price, the option to stay solo, and its “Onsen Musume” (Onsen Girls) initiative. The historic wooden building dates to 1953. It's not stylish, and it shows its age, but that worn, retro character has a charm of its own. The floors creak when you walk, and although the rooms have air conditioning, the shared spaces don't. With the outside temperature at 32°C, those areas felt a bit hot during my stay. What stayed with me most was the atmosphere and the warmth of this family-run place, especially the young owner and the rest of the staff. It feels homely, and suits people who enjoy the romance of an old inn. The location is handy once you're in town: the inn faces Asaichi Street, and the main hot spring town sights are within a 10-minute walk. Atsumi Onsen Station is about a 30-minute walk away, though, and there aren't many obvious signs or landmarks, so I'd use Google Maps the first time. My traditional Japanese-style room was clean rather than luxurious, and the futons were already laid out when I checked in. I did find a few bugs, perhaps because of the season. I handled them myself and had no other trouble, but keep it in mind if insects bother you. There weren't any displays for Hot Spring Girls when I visited, but the inn did have tourism ambassador badges, acrylic key chains, and original bath additives made with hot spring ingredients for sale. A nice extra for fans.