The Strongest and Most Vicious Brother-Sister Reincarnation

Two siblings, Kokonoe and Nana, born in Japan on Earth, were in despair about this world. The siblings, having given up on this world, committed suicide by jumping and were reincarnated into a different world. The older brother is reborn as a monster named Zero, the younger sister is reborn as a skill named Rey, and the two—the strongest and most vicious—live while rising to prominence as they please in this other world. Occasionally, the story also depicts the situation of the hero, who is the enemy rather than the protagonist. It becomes a story woven by Zero, who schemes for world conquest, and the hero, who wishes for world peace... I'm waiting for your impressions and evaluations, so thank you in advance. I've made some changes to the prologue. It's complete!! To those who have supported me, thank you very much until now. I'm continuing to write other works, so I look forward to your continued support. In "Revenge Drama of Doll Reincarnation," the setting is a thousand years later, so characters that appeared in "The Strongest and Most Vicious Sibling Reincarnation" will appear here and there. If you'd like, please come read it. "Dragon Soul Compatriot ~A Boy Who Makes a Pact with the Dragon King~" is also being serialized, so please check that out too!