In 'Whose Hello?', you step into the role of Ava, a savvy detective with a penchant for the bizarre. After receiving a peculiar phone call where only different ‘hellos’ are exchanged, you embark on a wild chase through the streets of an enigmatic city. Each hello leads you to a new character, each with their own secrets and motivations. As you unravel the connections between an underground society and a missing artifact, your choices influence the story's direction, leading to multiple endings. Engage in mind-bending conversations, riddles, and moral dilemmas that test your wit. Can you uncover the truth lurking within the sounds of a simple greeting?