Despite being the successful CEO of Hamada Tech at twenty-four, Hiro is still haunted by his brother' untimely death. When a secret project in his lab goes awry, a girl named Mira suddenly finds that she might have the power to change everything. Tadashi x OC

Something was amiss. Her best friend, her companion, her confidant, Jason Todd. He did not die the way the newspapers said. She was going to find out, and whoever was responsible was going to regret taking him away. From Jason's high school days to the events of Under the Red Hood. Jason/OC. Rated M for coarse language and violence, etc.

One day, Eren received a grim reminder of what fighting Kaijus could really do. A former dealer in Kaiju parts, Levi accepts Marshal Erwin's offer to help with what's left of the Jaeger program. OCs Vanith and Anya team up with the remaining Jaeger pilots for humanity's last stand against the breach. Levi/OC, among other pairings. Rated M for coarse language and violence.