18+ themes, including language, suggestive themes, violence, and other things. New Eridu, a civilization that survived the apocalypse after the appearance of the Hollows. A bastion of hope, this city has thrived after overcoming the threat that the Hollows possess and have been able to live a life of near co-existence with the Hollows despite the dangers Hollows possess and the monsters known as Ethereals that live in them. In a seemingly ordinary video shop. Lies three unordinary individuals. Two siblings who are the Legendary Proxy known as Phaethon. And one being that works as their professional agent. A powerful being that many people in the city know as Diego Cross. But he is also known as...Shadow. DISCLAIMER Don't own Zenless Zone Zero. That belongs to HoYoverse. Don't own Sonic the Hedgehog. That belongs to SEGA.