Melt his heart and hope it works (Mycroft's Daughter Fan-fiction)

When asked about Mycroft Holmes's heart people might say that he is cold hearted or has a heart made of ice, people might also say that it's made of stone, some might even say he doesn't have one.
Mycroft had a wife and daughter but when his daughter was 7, his wife was murdered. Not being able to look at his daughter's face he sends her to a boarding school, she lives away until she graduates, but now she is back. Will she be able to get back the love of the father she longes for? Will she have what it takes to melt Mycroft's rocky heart into lava? What will become of her life now?

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Has been/is:
#3 in motherless

Please note that I don't own Mycroft, Sherlock, John, and other characters. They are from BBC and Sir Arthur Conan Doyle.
Also note that any pictures in this are pictures that I found online, they are not mine.