Plot: Despite Haruto's attempt to stop her, Saki boards the Valvrave Four and to his surprise she successfully completes its start-up procedure. Secretly observing Saki's success at piloting the Valvrave Four, L-elf deduces that the underground facility was not built under Sakimori High by chance since the students meet some requirement to operating the mechs by comparing them to the failed attempt by the ARUS soldier