The Man From Miami (Eren x Annie, Eren x Mikasa)

Eric Jaeger and his twin brother Eren Jaeger were separated from eachother at the age of 10 because of financial reasons. The twins both followed the sacred path of their father, and became police officers. Eric enters the NYPD and meets Annie, the sister of his classmate, Armin. Eric marries Annie; she gives birth to Eric "Junior" Jaeger. Eric becomes a sergeant in the NYPD and lives in a suburban neighborhood.
On the other hand, Eren, who lives in Miami, Florida. Grows up with his childhood best friend, Mikasa, who has a secret crush on him. The two enter the police force and Eren becomes a SWAT member

Their lives take a sudden turn when Eric is betrayed and murdered by Jean, Eric's partner. General Erwin Smith orders Eren to assume Eric's identity and continue the mission that his late brother left behind. As part of his mission, Eren is forced to pretend to be Eric in front of his brother's family and friends; and reunites with mother, Carla, whom he resents.

Eren x Annie
Eren x Mikasa