I'm M. I'm so tired. I'm over 30, and my friends have started families one after another, so I can't hang out like I used to. But I just keep working every day with my head down. But why?! It's to go to hot springs and relax!! The main character, M, drives alone to hot springs all over the country every day off. Her joy is to savor the delicious food of each place, relax in the hot springs, and spend a blissful time. She also meets wonderful people on her travels... This is the travel record of a woman who is addicted to hot springs and can't escape.