the sound that causes fear (CSM malereader x HI3)

(Y) a small boy that was found to have extremely high honkai resistance at the cost of a heart condition that was slowly killing him. found by Otto he was taking to Babylon Labs where he stayed until the Second Eruption not much is know of (Y)'s time there only the fact that he was caught talking to a unique Honkai Beast. after the Eruption (Y) was presumed dead.

later on he was found in Nagazora Japan where we found him fighting Honkai beasts. this is where our story begins.