Spoiler Alert!!! This one-shot comic is part of the original series "Forbidden Game: In My World". A ten-year old male alternative had discovered himself to be a half-breed, possessing different types of blood which neither entity nor any realm will accept and welcome a half-breed, which has been kept hidden by his parents until they die. He will explore those different realms and lived by different entities by living with a different identity to seek answers and known the depriven truth.