Yamuko Isamu was your best friend since diapers, although your parents moved away, you haven't been able to be in touch with her TAISHO ERA You were walking near a little town before you bumped into someone, clumsy you. You scratched your head "Augh.." The voice was more feminine than you thought it was "I-Im so sorry-! Here, let me-" The girl had blue hair in braids, and was wearing the demon slayer corps uniform

"Y/n..?" She whispered under her breath