Kono Aozora ni Yakusoku wo: Refine is a remake of the original visual novel Kono Aozora ni Yakusoku wo, updated for modern consoles with improved visuals, UI, and all-ages presentation. It tells a character-driven story set on a remote island where a group of students living in a dormitory experience everyday school life, friendships, and emotional routes that branch based on player choices, focusing on romance, personal growth, and long-standing secrets tied to their shared past.