Well, Assassin!Adrian's whole backstory is already rather sad, isn't it? Although I suppose you could make it a different Assassin!Adrian, because there must be a practically infinite number of alternative universes.
You didn't kill Franziska, Adrian did. D: Don't blame yourseeeeeelf.
Re: THIS IS WHAT YOU DON'T EVEN.
You didn't kill Franziska, Adrian did. D: Don't blame yourseeeeeelf.