Kamado Tanjiro is a demon slayer who does not join the demon slayer, but has extraordinary strength. even he has become a legend. and because of that the pillars became curious about the mysterious demon slayer.

Being the second strongest agent in a top military base isn't easy, but for young (Y/n) (L/n), it's as easy as flicking her wrist or snapping her fingers. Accustomed to her loyal and faithful parter, E-123 Omega, she's met with an unpleasant surprise when he's reassigned to someone else, leaving her at the disposal of the single strongest agent. Against her many protests, they venture on multiple missions together, learning the power of patience, respect, and most of all; love. [completed] ↠ plot is copyright to @mai-eo