7723 appeared in 2018 movie called Next Gen. He's a robot that was part of a project called Project 77, but he was activated accidentally by Mai when she is inspecting. While returning the backpack to Mai he received a damage memory core in which giving him 3 days worth of memory, but if he wants activates the weapon system he has reactivate himself which means he has to remove all the memory that he has while spending time with Mai.