KINSOU NO VERMEIL ~GAKEPPUCHI MAJUTSUSHI WA SAIKYOU NO YAKUSAI VOL.1-12 END

STORY :

Alto Goldfilled, a diligent student at the Ortigia Academy of Magic, aspires to become a powerful sorcerer. But he is unable to become one as, despite his excellent grades and strong commitment to his studies, he fails his summoning class. With the threat of repeating a year hanging over his head, Alto tries following an old, worn-out grimoire in a desperate attempt to resolve his situation.
To his surprise, he succeeds and summons a powerful demon named Vermeil. As a sign of gratitude for releasing her, Vermeil agrees to become Alto's familiar, sealing their relationship with a deep kiss. Little does Alto know what else he is capable of and what Vermeil's past hides.
王立奥尔提基亚魔法学院——
因召唤魔法不成功而面临留级危机的学院学生阿鲁特，偶然发现了一本陈旧的召唤魔法书，并画出了魔法阵。召唤出了被封印的恶魔维尔梅。她自古以来就是令人畏惧的“恶魔”，拥有带来灾厄的强大力量。
成为使魔的维尔梅需要定期供给魔力，其方法是进行浓厚的接吻。对这样的二人关系感到焦急的阿鲁特的青梅竹马莉莉娅，还有对前所未闻的使魔感到茫然的学生们。
与最强的使魔签订契约的阿鲁特，以伟大的魔法使“极尽魔导者”为目标。
濒临堕落的魔法师和不健全的恶魔大姐姐的王道幻想开幕！