This is a story about two lovers, Olivia and Penn, they decided to travel to the Moon City, an ideal new town that all humans dreamt of. It is a city full of happiness, no sadness, and is a town where everyone is equal. The only condition that any lover couple can go to this Moon City is they have to be a true lover. Olivia and Penn decided to register into the Moon City as lovers together. But, their memories faded little by little without them realising. They started to not remember any more about their lover. What is their name? And how their face looks like?