Day7 Inc. is a South Korean game development studio founded in 2015, known for its innovative approach to storytelling and interactive gameplay. The studio gained significant recognition with the launch of its flagship title, "누가 그녀를 죽였나" (Who Killed Her?), which showcased their commitment to narrative-driven experiences. Over the years, Day7 has expanded its portfolio and established itself as a key player in the mobile gaming sector, focusing on visual novels and interactive dramas. Key personnel at Day7 include co-founders and creative directors who have a background in both game design and storytelling, contributing to the studio's unique narrative style. Their collaborative efforts have led to the development of games that resonate with players on an emotional level. "누가 그녀를 죽였나" stands out as a groundbreaking title that blends mystery and interactivity, setting a new standard for visual novels in the mobile gaming market. The studio's emphasis on player choice and consequence has influenced the genre, encouraging other developers to explore similar narrative mechanics. Day7 specializes in creating immersive storytelling experiences, primarily within the visual novel and interactive drama genres. Their focus on character development and plot intricacies has garnered them a dedicated fanbase. The studio has received several accolades for its innovative storytelling and engaging gameplay, solidifying its reputation within the gaming community and earning recognition at various industry awards.