You Took It, You Stole It..

Madoka/Maddie has a cold heart until she finds a man who can make her happy. An 'Incident" happens and she breaks peace with her man. Her best friend, Tsubaki claims her 'ex' as her own, when Tsubaki knows that Maddie still has feelings for the man.. what happens when third wheel comes, when third best friend needs to choose sides.