Kids of the equation and starlight

> Strictly speaking, he actually comes from the mirror world. However, my focus on his creation has to do with Bilibili's interactive video "LOST IN OUR TOWN" and one of the endings. He is related to a sample world based on the story of the Overworld, but he is not from the Overworld.
I haven't decided on an official name yet. If you would like to help choose a name, welcome to the comments section.