Treasure of A Blizzard, a hentai visual novel developed and published by Flaming Firefly. Released November 27, 2016. Available on Nutakus digital store for $15.00. Available for PC Windows, Mac OS, and Linux operating systems. No voice acting.
The story follows Kang, a political prisoner. Hes being transported to the capital. Kangs father was sheltering violent rebel forces who were disguised as innocent refugees fleeing oppression. Kang is ripped out of his cushy lifestyle and must act as a defense witness in his fathers trial. Thankfully, the person escorting him to the capital is his childhood friend, Lin.
Source: N4G PC [NSFW] Hentai Visual Novel Review: Treasure of A Blizzard – Hentai Reviews