The person closest to me suddenly left. How should she face life? All kinds of strange people appear. It turns out that there are demons in this world. Was the chance encounter planned in advance or there was another mystery behind it. What kind of experiences will her identity bring her? What conspiracy is secretly plotting behind the conflict... Hazy feelings, who can speak first, and how will she deal with the opposing sides? To stay together or to miss it... What will happen to everything...