きつこは突然ブログがバズった漫画家。とはいえ何もネタが思い浮かばず、上京先の弟・やっちゃんの家で、 悪夢にうなされるどん底の日々を過ごしていた。見かねたやっちゃんは、きつこに毒が回っていると指摘し、 解毒手段としてサウナを勧める。きつこは疑いながらも苦しみから解放されるなら…と、意を決し銭湯へ向かう。
懐かしい雰囲気と広いお風呂を楽しんだきつこは、ついに重いサウナの扉を開ける。
そして、初めて出会うサウナの世界に戸惑っていると、銭湯を牛耳るババア＝ヌシが現れ…。
Kitsuko is a manga artist whose blog suddenly went viral. However, I couldn't think of anything to talk about, and I was spending my days at the house of my younger brother, Yacchan, who moved to Tokyo, and was tormented by nightmares. Yacchan, who couldn't see it, points out that the poison is circulating in the fox and recommends a sauna as a means of detoxification. Kitsuko doubts, but if she is free from suffering... I made up my mind and headed to the public bathhouse. After enjoying the nostalgic atmosphere and the large bath, Kitsuko finally opens the door of the heavy sauna. And when I was confused by the world of the sauna that I met for the first time, Babaa = Nushi, who controls the public bath, appeared ...
