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Marinette biodaughter of Bruce Wayne

This au was inspired by @ozmav maribat au.

· Bruce met Sabine when he was training in with the league of assassins

Sabine was the top assassin of the league. Highly respected by Ra's Al Ghoul and the rival of lady Shiva.

· At first Bruce and Sabine disliked each other due to their different codes of ethics, but they slowly came to respect each other and even considering each other friends.

Sabine started questioning the league and started to despise their needless killing, even came to regret killing in some missions in the name of the league.

· With Bruce's influence and help she decides to leave the league of assassins and turn on a new leaf.

· Of course, Ra's refuses to let go of his top assassin, so he makes a deal with her. He gives Sabine an extremely difficult, almost impossible to complete alone with no help. (this is basically John Wick).

· She agrees, Bruce tries to talk her out of it. The mission is just impossible and there is an extremely high probability that she will die.

· This leads both to fight both verbally and physically.

· It ends with a one-night stand.

· Both agree not to talk about it, and both leave on bad terms

· Sabine leaves to complete the mission, during this time Bruce completes his training and leaves the league.

· Sabine of course completes the mission, much to ra's complete surprise.

· He is a man of his word and lets Sabine go with a promise to not seek her out again or interfere with her life and those around her.

· Few weeks later, Sabine discovers that she is pregnant with Bruce's child. And since she an Bruce's friendship ends on bad terms (with Bruce being an emotionally constipated man, who at this point of his life only think about his mission and wouldn't make a good father) Sabine decides not to tell him.

· Sabine travels for a little bit until she arrives in Paris where she meets Tom.

· With time they both fall in love with Tom promising to love her and her unborn child as his own.

· When Marinette is born, Tom officially adopts her as his daughter.

· Marinette grew up loved from her parents and had a normal happy childhood.

· Though Sabine did teach her self-defense because you can't bee to careful.

· When Marinette was ten years old, she meets Damian Wayne. He was separated from his guardian and got lost.

· Marinette offered to help him, but Damian at this point of his life was a little shit and refused. Too proud to even admit he was lost.

· But Marinette was not deterred, and with great determination, kindness, and whining, she was able to make him cave.

· She shows him the way back to his hotel, and saw Dick waiting outside worried out of his mind.

· He saw Damian approaching and immediately ran towards the kids and scooped the baby assassin into a hug.

· " Dami, I was so worried"

· "cease your embarrassing antics Grayson, I am clearly in perfect shape. As if anything in this miserable city can harm me"

· "hey, Paris is amazing. You take that back" shrieked Marinette

· Only then does Dick notice a petite Asian girl glaring at Damian.

· "well hello, who might you be?"

· "I'm Marinette, I helped him find the hotel. He was lost" came the smugly reply

· "I wasn’t lost you imbecile, I didn't require any assistance from you. I just "accepted your help" because you were annoying and couldn't shut up"

· This basically started a shouting match between Marinette and Damian, while Dick observed with amusement.

· He never seen Damian act like a child since he came to his care (Bruce is lost in time at this point, and Dick is Damián's legal guardian) and started to thick that hanging around Marinette may benefit Damian.

· He invites Marinette to the local park, where Titus can stretch his legs, an takes her there with her parents' permeation of course.

· Over the next few days Dick invites Marinette to come with him and Damian (much to the latter's chagrin) whenever they have free time.

· The kids' relationship only started to improve after Marinette helped Damian take down Chloe, who was acting as her glorious bratty self.

· It involved headbands, tooth pics, and a lipstick

· Damián started to respect Marinette and enjoy her company after that (though he won't admit it)

· Marinette starts talking about her friend at home, while her parents listens with amusement until she mentions his full name Damian Wayne.

· Sabine immediately starts asking about his father.

· At first Sabine wanted Marinette to stay away from the Waynes, but seeing how happy her Daughter is, she decided against it.

· Fearing that both kids with time would develop feeling for their unknown half sibling, she calls Dick and tells him about Marinette's parentage.

· Dick doesn't believe this, so Sabine gives him permission to perform a DNA test.

· The test was done, Dick was not amused because damn it Bruce another one

· They both decided to tell the Kids about their blood relationship

· Damian was furious and didn't accept this, at this point of his life he thought he was the blood so of Batman and no one else

· He ended saying some hurtful thing words towards Marinette

· Marinette ends up crying, and runs out of the room

· Damian is immediately consumed by guilt, especially after Dick gives him the "I am very disappointed in you" look.

· He goes to Marinette's room to apologies and hears her crying through the door and feels even worse.

· It takes a lot of him since he never apologized to anyone before, he does it but awkwardly.

· Marinette forgives him because she is a forgiving person and asks Damian not to say stuff like that to her again.

· They become close after that. They exchange numbers and e-mails to talk to each other when Damian and Dick return to Gotham.

· Tom and Sabine are great influence over Damian. With the Dupain-chengs he starts to act more like a boy and less like the heir to the league of assassins. Dick is very happy and grateful about it.

· The couple also parent Dick and coddles him. Both boys are adopted to the family now.

· In Summer Marinette visits Gotham and meets Alfred. The butler grew quite fond of her.

· She may strongly resemble Sabine, but Alfred can see Martha Wayne in her smile. A little of Thomas Wayne in the twinkle of her eyes. And a lot of Bruce when she is concentrating on something.

· Marinette also inherited Bruce's intelligence, so she quickly discovers the family's secret.

· She joins the boys in their training, because extra self-defense lessons can't hurt, but not on petrol. Sabine was very against it.

· Dick introduces her to trapeze, which she fell in love with, together they are the acrobat duo.

· So she spars with the boys, flies with Dick, bakes and cooks with Alfred (" I am pleased to know that at least one Wayne will grow to be a functioning adult". "Alfred please.STAHP")

· And once she is introduced to the girls ("she is so cute" "stop squealing fat girl") she'll hack with Barbra, dance with Cass, and will have a girl's night out with all her older sisters especially Steph.

· Jason meets her after he comes to the cave to use the bat-computer, then out of nowhere a petite Asian girl pops out and offers him cookies.

· "I only known Marinette for five minutes, but if anything happens to her I'll kill everybody in this cave then myself"

· Jason and Damian start fighting for the position of favorite brother.

· Months passes and Marinette grows closer to all the bat-family except Tim, because he is still looking for Bruce and didn't keep tabs on what's happening in Gotham lately.

· The Dupain-Chengs adopts the rest of the Bat-family except Alfred. Alfred adopts you, you do not adopt him.

· The family becomes closer and the communication problem is slowly fixed.

· Jason becomes more open. He and Dick talk about their issues, there was shouting, yelling, accusations and tears. But in the end, it was better. Not perfect but better.

· Also, Jason finally has healthy positive parental figures in his life. "have you been eating?" "I'm proud of you son" "we love you" and other words were spoken towards Jason and the kids.

· "o-okay" he chocks on tears.

· Alfred later introduces the Dupain-chengs to Ma and Pa Kent and joins the " the gathering of family member of heroes, who have more common sense than the heroes"

· Basically, the family members of heroes meet up monthly for brunch to bitch about their hero family member, while trading recipes and baby photos.

· Alfred is the founder. Ma Kent is the president.

· Bruce comes back and everyone is happy. No one tells him about Marinette. They all decide to troll him.

· Marinette and Bruce accidently meet in the cave.

· "Papa' it's good to have you back" Marinette happily hugs Bruce

· Bruce is holding his arms awkwardly in the air, while looking down at Marinette with confusion. "who are you?!"

· "it's me Marinette, don't you remember me" insert fake tears

· "A-ahh?!"

· "Alfred Papa doesn't remember me" she wails dramatically into the butler's chest "he forgotten all about me"

· " Honestly master Bruce, I raised you better than this. Yet here you are disowning your own daughter.

· "yeah, shame on you B" came the eager response from Steph and Jason.

· " I am disappointed in you father" Damian joins in. Cass nods in agreement.

· Dick is struggling to keep his poker face intact, Barbra is pinching his arm hard to keep him away from laughing and exposing the prank.

· Tim is sleep deprived and confused as hell.

· The family takes bets to see when would Bruce figure out they're trolling him.

· Spoilers alert he never does

· They end up telling him and Alfred wins the pot.

· "World's greatest detective indeed"

· "alright I get it Alfred"

· Bruce ends up adoring Marinette. He and Sabine talk again after a decade of not talking and becomes somewhat friends

· He doesn't publicly announce Marinette as his daughter and doesn't claim her, because Tom is her father as well. And it won't be fair to him.

· She may have Bruce's blood, but the heart is all Tom. He is grateful that his daughter grew up loved. He doesn’t want to take Tom away from her.

· When she became Ladybug, she immediately tells her family. They're all freak out about 13 years old being a hero on her own.

· " you need a partner"

· "Papa chat noir is my partner"

· "Dick go to Paris"

· Due to the bat-family involvement, hawkmoth is defeated fast. And he is spending the rest of his life in jail.

· Adrien goes to live with his aunt in England for a while.

· Zatanna and Constantine are called to see if they can wake Emilie from her magic induced coma.

· They do. And Adrien goes back to his mom

· Hawkmoth civilian identity was never outed to the public. The justice league wanted to give the Agrestes some privacy. But there are some conspiracy theories.

· Due to the influence of her older sisters, Marinette isn't as boy crazy as in the show. But she develops an innocent crush on both Adrien and Luka. Much to Bruce's chagrin

· "you won't start dating until your thirty"

· "of course papa, of course"

· Keeping Marinette away from dating was the toughest battle Bruce ever fought. The rest of the family are just sitting behind and enjoying the show

· Her wasn't the most normal or perfect, but Marinette loves it any way.