Eren Jaeger is a lonely male, that has a boring life. Always: work, eat and sleep, work, eat and sleep. But then, Eren found a little boy in the streets on a rainy day. He was worried, so he picked up the boy and sped to his house. However, when Eren took a close look at the boy and learned more about him, he wasn't a normal human. He was a hybrid. Warning: Boyxboy material, don't like, don't read! It's your own decision and choose at your own risk. Modern!Au, Ereri/Riren