Oni Chichi: Vacation | Episode 1
Based on the erotic game by Blue Gale.
Still continues in Oni Chichi's story, this time series Airi and her father are on vacation at his father's hometown in winter. Because the weather is too heavy snowfall makes them become trapped in a cave. At that moment, they met the stealth Tanuki that is on the mountain.
(Source: Nekopoi and Has Been Translated and Edited)