https://www.dlsite.com/maniax/work/=/product_id/RJ01246480.html
https://www.melonbooks.co.jp/detail/detail.php?product_id=2491612

[Synopsis]

A group of male and female university students from the city come on a skiing trip and enjoy skiing and romance.
However, the trio of girls, Urara, Aoi and Hinata are suddenly caught in a blizzard and get lost...
Then Genzo, a local experienced hunter, appears and rescues them, leading them to a mountain hut.
After drinking, the three get to know each other better and when they see Genzo's wild and powerful body, they feel a sense of "maleness" that they have never experienced before.
Hinata and Aoi are captivated by Genzo's skillful hands and Urara is also about to fall into his clutches...

Part 2 (Raw): https://e-hentai.org/g/3254378/91272ada38/

Base +25, nuts987 +13