魔力0で追放されましたが、大精霊と契約し魔剣の力が覚醒しました raw 第01-06巻 [Maryoku 0 De Tsuiho Saremashitaga Daiseirei to Keiyaku Shi Ma Ken No Chikara Ga Kakusei Shimashita vol 01-06]

Elias, an orphan, is given a demonic sword by the master who looked after him. He then joins the hero party in their adventures, However, he's unable to draw out the sword's power, and is eventually expelled from the party as useless.Starting out on his own as an adventurer, he encounters Emma, an elf girl being chased by a dragon. He and Emma join forces to fight the dragon and, with unexpected aid from a helpful spirit named Undine, manage to defeat the dragon. Elias, Emma, and Undine then set off for the elf kingdom together.