Beware Mr. Officer, Tread Carefully!

Mercenaries Previous Life Talent Tragic Past Arrogant Characters Clever Protagonist Cunning Protagonist Determined Protagonist Famous Protagonist Past Plays a Big Role Secret Organizations Wars Wealthy Characters Reincarnation Slow Romance Battle Academy Beautiful Female Lead Calm Protagonist Underestimated Protagonist Enemies Become Allies Genius Protagonist Mysterious Family Background Schemes And Conspiracies Shameless Protagonist Army Assassins Fast Learner Firearms Gunfighters Military Narcissistic Protagonist Ruthless Protagonist Transmigration Confident Protagonist Strong Love Interests Handsome Male Lead Older Love Interests Antihero Protagonist Cold Protagonist Cruel Characters Hated Protagonist Mature Protagonist Orphans Secretive Protagonist Charming Protagonist Low-key Protagonist Strong to Stronger Tsundere Acting Charismatic Protagonist Comedic Undertone Quirky Characters Stoic Characters Stubborn Protagonist Modern Day Cold Love Interests Fated Lovers Female Protagonist First Love Kind Love Interests Love Interest Falls in Love First Protagonist Strong from the Start Fearless Protagonist Strategic Battles Generals Carefree Protagonist Sharp-tongued Characters Clumsy Love Interests Tomboyish Female Lead Boss-Subordinate Relationship Survival Harsh Training Twisted Personality Enemies Become Lovers Showbiz Soldiers Near-Death Experience Doting Love Interests Spies Celebrities Power Couple Kuudere Smart Couple Playful Protagonist Student-Teacher Relationship Hot-blooded Protagonist Gangs Curious Protagonist Bickering Couple Seduction Co-Workers