Arata diligently studies magic from all of the Trinity Seven to be able to rescue Lieselotte as soon as possible, but Lilith cautions him as rapid growth runs the risk of losing control of his magic. Lilith and Arata are summoned to the Headmaster, where Arata is appointed to Grimoire Security #2 with Lilith as a chaperone for an upcoming mission to the ruins of the Royal Liber Magic Academy. As such, Lilith promises to tutor Arata, but is embarrassed when asked about her mastery over the Luxuria (Lust) archive...