Trusting that irksome Shortie (Shingeki no Kyojin / Attack on Titan Fanfiction)

{COMPLETE} Lumiere Merveille or 'Lumii' was a girl who never runs out of smiles. However, in one fateful day, when the Titans breached Wall Maria, her life changed forever. She lost everything. But little did she know that the one who saved her on that day will also be the one who will serve as her strength in moving on with her life. [Rivaille/Levi x OC]