Synopsis
Hakone, a hot spring spirit, wakes up from a centuries-long slumber in a modern spa resort. Because of the long sleep, she has regressed into the form of a small child. When Touya, a high school student, discovers her in the baths, he decides to help her recover her lost powers and original appearance. As they work to restore her true self, the two form an unexpected bond while uncovering the mysteries surrounding her sudden awakening.
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