How long has it been since you came to this world? Yai didn't know, she just remembered that she was practicing new songs at home, and the music in her ears seemed to be getting farther and farther away from her. The last thing she heard was a voice with suppressed anger: "Domoto Yai, Domoto Yai, you are in a daze in class, stand outside for me..." Before she could finish listening to the rest of the words, her vision went dark, and she couldn't remember anything.