Kaoruko

Kawadzu Sakura is an office worker who is neither enthusiastic nor challenging, but does not have the courage to change jobs. One day after working overtime, she happens to enter a public bathhouse sauna and meets a cool coworker, Somei Yoshino. They had never talked much, but Somei, who wanted to make a sauna friend, taught Kawadzu how to enjoy the sauna. Kawadzu and Somei were so fascinated by the sauna that they began to visit saunas together. Then Kawadzu's grandmother, who runs a bathhouse by herself, collapses…!?