Shan Gui is a full voiced visual novel that begins with our main character Han Hui who meets a mysterious girl named Jia in the mountains. The two girls form a sisterly bond and friendship as they share their most intimate moments with each other. Han Hui finds out a secret about who Jia truly is. The game is voiced in Korean and subtitled in English but can also be played in Korean Subtitles. Both English and Korean versions can be found on Google Play Store and Steam for pc and mobile.
Game is MysticMessenger not mine