Angel's Salvation

It is a kind of bird called biwing. There is a legend about this kind of bird in a certain fairy tale book. This kind of bird only has half wings. It is a poor creature and an incomplete creature. If a pair of biwing birds is not close to each other, it cannot fly into the sky. But this kind of life is also so beautiful and feels so beautiful. Yi is an ordinary student who has just entered high school. For some reason, he seems to be troubled by something recently. Sometimes he even sees some unclean things and hears some inexplicable sounds. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.