The Interdimensional Administrator

From his harsh childhood to his pain-filled growth and the arduous desire to be normal From the bottom of the world to the top, from a clean boy to becoming covered in blood "Five years, five years I wait this moment ...." Those were his words when he managed to assassinate with his own hands the entire Dark Organization dying along with them ... A monster must die with his little minions ... --- Fan-Fics, MC lived his previous life as an Assassin from a very young age, without receiving family love, much less having a romance in his life "He does not know love, loyalty, much less compassion" An inexperienced in everyday life and an expert in the underworld, come and observe him during his growth, coming to understand the same feelings of a normal person WARNING: Cold-blooded killer, No-NTR, No Forced Violations