It was the year 845, Y/N Alert, Armin Alert's elder sister had been on Scout leave due to physical injury and her mind became a little unstable. When Titans infiltrated Shinganshina something clicked in her mind and she back to being the soldier she was. Levi Ackerman hears that Y/N had put her uniform back on and protected citizens as best as she could. He felt proud and instantly welcomed her back, but never showed it, when they were reunited after the 5-year training Y/N redid after the years she wasn't in the scouts. ▪Based on the manga more than the anime but added my own storyline

Two strangers seeking out the better part of life find eachother instead. The story of Icarus relates to every human being on earth. We start out flying, soaring through the sky with pride and bravado. But sometimes our wings get clipped and we fall. Sometimes we fall fast. Somemetimes we fall slow, real slow. Most of the time when we fall, we don't get back up at all. Others think it's best to leave the wings clipped. , Others dare to sprout new feathers, a new meaning of life. And for what it's worth, both decisions can be hard to make.