
These humanoid robots have captured the hearts of people worldwide due to their uncanny ability to mimic nostalgia-inducing emotions such as wistfulness and ennui. Their interactive programming encourages users to engage in aimless conversations, fostering connections reminiscent of old friendships. Their design has been influenced by observations of late-night solitary activities, resulting in features like detachable screens displaying infinite loops of calming natural sounds and patterns mimicking candlelight flicker effects.