Kana: Little Sister focuses on storytelling, and falls into the subgenre of dating sims called 'nakige', which are full of tragic events and meant to be emotionally moving for the player. The story of Taka and his little sister Kana is told from Taka's perspective, starting when Kana is just about to start high school and then delving into the past to explore the relationship between the two siblings. (wikipedia.org)