Kouzou Yukawa is a passionate hot springs enthusiast—a hot springs hunter who was able to sniff out the source of springs. One day, while searching for a hidden hot spring to revitalize a town, he slips off a cliff and dies. He is then reincarnated into another world by an Inari deity of a small shrine hidden in the rocks. Kouzou is joined by Inari's messenger princess, Mayudama. The hot spring hunter within Kouzou is stirred right away, as he takes a bath with Mayudama in the hot spring he just discovered. Then, an elf girl appears... (Source: MAL News)

Makina Agatsuma, the school idol, moves into the home of Eita Akutsu, an introverted mechanical otaku. Eita, who has secretly harbored feelings for her, thinks he's hit the jackpot! But it turns out, she's actually a robot made for sexual purposes. Caught off guard by her sudden physical advances, the virgin Eita is at a loss. Furthermore, he finds himself in a frenzy trying to help her maintain her secret identity. A romantic comedy with a slightly risqué mechanical revelation, where hilarity ensues as they try to keep the secret under wraps! (Source: MAL News)