In 'Whose Hello?', you play as a charismatic detective in a bustling metropolis where greetings have taken on sinister implications. People are mysteriously disappearing every time someone says 'hello' in public. As the city's self-proclaimed best detective, you must navigate through a network of quirky suspects, each with their own motives and strange behaviors linked to this bizarre phenomenon. Interact with the townsfolk, make choices that affect your investigation, and uncover hidden secrets about a secret society that controls communication. Can you solve the puzzle before the next enchanting yet eerie 'hello' echoes through the streets?