My Alter Ego’s Path to Greatness

Horror of the Continent: The Immortal King Brings Despair, While the Light Knight Defies the Divine Will.
In an era of chaos, numerous heroes emerge, striving to navigate the tumultuous land. However, amidst this turmoil, sudden and enigmatic forces make their appearance on the continent.
Little did they know, it was all me.
…To be precise, they were my alter egos sent to this other world.
#Unintentionally becoming the villain of the world.
#Somehow, I become both the demon king and the hero.
#One person, multiple roles.