In a bizarre world where sentient echoes manifest contrary to their owners' personalities, players take on the role of an aspiring detective. With echoes of various moods mimicking their owners' emotions, you must solve a whimsical string of mysteries surrounding a series of thefts in a vibrant city. Each echo possesses its own unique quirk, and the players must navigate through conversations, puzzles, and slapstick scenarios to uncover the true nature of the thefts while maintaining their sanity. As you unravel the mystery, your choices will not only impact your relationships with the colorful cast of characters but also shape the very essence of your own echo.