Replica Datte, Koi wo Suru.

is a Japanese light novel series written by Haruna Donburi, with illustrations by Raemz. The series began publication on February 10, 2023 by ASCII Media Works under their Dengeki Bunko publishing imprint.

The series won the Grand Prize in the 29th Dengeki Novel Prize.

Synopsis
Destroy the "Heroes" who are the enemies of the world. "Hero, it's a special power that can save the world." The boys and girls who were praised as "heroes" in their dreams simply defeated monsters as the beautiful goddess told them to. --- I didn't even know that monster was a "human". "Hero", it is a special power that destroys the world. A dreaming boy and girl parasitized by a mysterious creature "goddess" turns into an unconscious monster and destroys and kills. "There is neither malice nor hostility." An endless battle where only one-sided justice rushes. The balance was maintained by the elite unit "Karon" led by the boy Azuma to annihilate the heroes. One day, Kaguya, a girl who was researching how to return the "Hero" to a human, was ordered to belong to "Charon". However, for Azuma who lost everything in her past disaster, Kaguya's existence is unacceptable... The boy is to defeat the "Hero". The girl is to save the "Hero". While colliding, the two go to the battlefield together!