Starfire Witch and Gunfire Ranger

[Note before reading: Before starting, please host your brain in a storage location in an orderly manner to avoid unnecessary mental shock] After a boy from [the present] was accidentally involved in a conspiracy, he returned to the [past] and stumbled to save the world. After that, the [future] was rejected, along with his own existence. "Don't worry, we promised to take you back, and we will never break our promise!" The artificial life girl who seemed to lack emotions said this.