Whose Hellos Are These, Anyway?

In a city where a strange phenomenon occurs, you play as a witty private investigator who receives an odd collection of 'hellos' mysteriously written on note cards. Each card leads you to a quirky character with exaggerated personalities, ranging from a conspiracy theorist cat lady to a disgruntled ghost who claims to have been wronged in life. As you unravel the bizarre connections between the cards and these eccentric individuals, you uncover a larger mystery involving lost memories and a forgotten festival of greetings. Can you piece together the truth before the hourglass runs out, or will you be forever pondering... whose hellos were these, anyway?