宵宮 梯子

The protagonist of the story. He is a second-year student at a school in the city. In the past, he was expected to be the ace of the archery club, but due to an accident, he stopped going to school. After that, he could not stand being in his room, so he began to walk around the city every evening. Nonetheless, he had reached his limit and decided to leave the house. After meeting Tenshi in an abandoned building, he is given a miracle feather that can transform reality.

The feather in his possession is called "Lumen."