In a world where people can communicate with their past selves through a mysterious app called Hello-Who, you play as Ara, a tech-savvy college student who discovers a hidden conspiracy. As Ara interacts with echoes of her former self, she unravels secrets that challenge her perception of reality and fate. Each conversation alters the timeline, leading down divergent paths that shape her future and the futures of those connected to her. Players must make critical choices, solve mysteries, and decide whether to embrace or change their destiny while navigating humor, drama, and unexpected twists.