The Boy Has a Handsome Physique

I always see that pink-haired girl in my dreams. Who is she? This has always been Natsume Kayo's biggest doubt. With the ability to heal, he originally thought it was just good luck, until the appearance of this pink girl, everything became unusual. Bond? When you die, my life will also disappear. "Does he really not remember?" Why do seniors Mai often have tears in their eyes? A battle between two major families eventually escalated into a disaster concerning the fate of mankind. (The introduction is weak, please be patient!)