Growing up in Wammy's House you were best friends with Mello and Matt. The two of you were inseparable, doing everything together. Eventually you started to develop feelings for Mello and just as when you thought now is the time to tell him the most horrible thing you can think of happened. Years later you unexpectedly see a boy from your past you both wanted and never wanted to see again.... Mello x Reader

(Y/N) is a cold-blooded assassin known only by the pseudonym 'Burgundy'. When the Japanese NPA offers her a deal - track down the elusive killer known as Kira in exchange for her freedom - she takes the job without hesitation. But her mission takes an unexpected turn when a brilliant, volatile mafia leader named Mello steps into her path. (Y/N) soon discovers that beneath his cocky, short-tempered facade lies a broken soul - a boy far more drawn to her than he dares to admit. Will she be able to save him from his demons before it's too late? Not your typical Mello fan fic so beware. TW: mention of depression, suicidal thoughts, swearing, abuse, sexual content