No Trace at Night

The orphan was secretly taken into the Juvenile Special Forces, No. 47. Here, names are abolished, identities are erased, and they only have code names. Five-kilometer weight-bearing running, weapon dismantling, CQB tactics—cruel training forged their bodies and tore their minds apart. Rift tried to resist and was taken away never to return. Children gradually develop underground rules. The protagonist shows abnormal physical fitness during training: extremely high pain threshold and extremely high fear threshold. One night when he had insomnia late at night, he found a door at the end of the corridor, and an adult voice came from behind the door. For the first time, he realized that this project was bigger than children like them, and that he and his companions were just cogs in this huge machine...