Infiltration and disguise, like a ninja, were secret skills Tetsuya had learned from a ninja master during his secret training in a remote area near the mountains.
Even Renji was unaware of Tetsuya's hidden talent, as it had never been used before, not even during his missions as an assassin. According to Tetsuya, killing someone openly or face-to-face felt more manly and impressive than doing it stealthily. However, such methods are still employed nowadays, with the difference being that modern assassins or snipers often attack their targets from a distance.
"Ugh~" A splatter of fresh blood stained his palm.
He shrugged off the blood on his hands and gave it a cursory wipe as though he were dusting off dust rather than flecks of dried blood. But the blood that was pouring from his mouth was an indication the body was not going well. Yet Tetsuya had kept his cool, continuing to change clothes.
