Yaya DaCosta as April Sexton and Brian Tee as Ethan Choi on ‘Chicago Med‘ Elizabeth Sisson/NBC The season premiere of Chicago Med on Tuesday, November 21, was full of romance. The show picked up three months after the finale, where we saw Ethan Choi (Brian Tee) and April Sexton (Yaya DaCosta) begin a romance. Now, it’s a full-on relationship — but it’s …