About the irreplaceable prime of youth. Come back again. Light years go by. Yukimura, you are like a nail on my fingertip, and my longing for you keeps growing out of my vagina like it. I have to keep cutting it off, but if you want to remove it from my life, it will definitely cause earth-shaking pain. Everyone who said he would never leave, why did he leave in the middle. From the beginning of life, disaster and pain follow us like maggots attached to our bones, biting away bit by bit unconsciously. At the end of the story, who has whose happiness? Who and whose salvation?