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...