Attack on Titan love story

There is girl and her name is Zahira. She might look normal, but she isn't. She is a Titan shifter and when she gets mad her eyes change into the color red. And also her brother is Levi Ackerman. He is a commander of a group in the Survey Crop. Zahira is strong and brave and help everyone. One day Levi told Zahira to join his group and she did. Levi is the only person who knows her secret. She has a friend who is the same age as her and her name is Emily. When they joined the group Zahira met a guy and his name is Eren Jaeger. After a couple weeks of fighting Titans Zahira had feelings for Eren. Does Eren have feelings for Zahira.... Let's find out