This is a world centered on the Federation. On this planet, humans and beasts (demon races) coexist, and secondary sexual characteristics are differentiated into ABOs, with the honor of participating in a top game. If you want to become the top being in the Federation, or want to realize your wish, then come to Rudra Arena to participate in this game! Use your life as a bet, this is a game of death.
A rare orc meets his natural enemy, and an extraordinary human encounters an interesting prey. While chasing and tearing each other up, the orc discovered that he fell in love with his natural enemy, while the predator discovered that he had other thoughts about his prey, which was love.
Future science fiction, combat, strong, atypical ABO
"I just fell in love with my natural enemy. I'm so stupid, knowing the destined ending."
Concept: The world of future science fiction, the recognition and getting rid of the shackles of identity, the belief in continuous growth and survival