This fic was written for the How Many Do You Ship? Challenge

When she was three years old, Marlene saw a unicorn and thought that it was the most beautiful thing on earth.

When she was fifteen years old, Marlene saw a unicorn and thought that if such purity existed, then all hope wasn't lost.

When she was twenty one years old, Marlene saw a unicorn's body; it was the last time she allowed herself to weep and she swore that she would never expect anything from the world again.

Two weeks later, Sirius Black, freshly out of Hogwarts joined the order. She avoided him as much as possible because the boy was too optimistic for his own good and she could not bear it.

Nevertheless, she had not been able to avoid a three day stake out with him, but there, she discovered the real Sirius Black. She discovered a tormented boy, horrified by his family name, a boy ready to do anything to protect his friends and who's only way to cope with all this horror was humour, a boy who had never seen a unicorn in his life, a boy surrounded by thestrals and who still had hope.

After this, she never moved to an other room when he arrived, and maybe, sometimes, she even searched his company, but who could blame her.

The day he finally made her laugh, she realised he had made her break her promise because for the first time since she had seen this unicorn body, she hoped to make it out alive of this war, with Sirius at her side

The first time they kissed, they were both smilling, she put a hand on his chest and said "Nobody breaks my heart, so don't you dare to get yourself killed Sirius Black." He smiled and kissed her again, each kiss a new promise of love and happiness.

Two months later, Marlene Mckinnon was killed; it was the last time Sirius allowed himself to weep and he swore to himself that he would never expect anything from the world again.

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