The Irregular at Magic High School (Mahoka Koko no Rettosei) 10 (Dengeki Bunko) [Light Novel]

[Machine Translation] December of the year 2095. Leena from USNA (United States of North America) came to the high school as an "exchange student" with Shizuku. Tatsuya instantly recognized her as one of the "Thirteen Apostles," strategic-level magicians comparable to weapons of mass destruction. Tatsuya then investigates her involvement in the "Vampire" case that occurred in Tokyo around the same time - a series of injuries in which mages' blood was drained out of them. The full extent of the "Vampire" case was gradually becoming clear. Through Tatsuya's hints and Mikabiko's ancient magic, he discovers that the true identity of the "vampire" is a "demon" called a "parasite. However, the "visitor" who was unintentionally invited from another dimension finally attacks the Magic High School. The true identity (host) of the "vampire" is an unexpected person!

西暦二〇九五年十二月。雫との『交換留学生』として、USNA(北アメリカ大陸合衆国)からリーナが魔法科高校にやってきた。達也は、彼女が大規模破壊兵器に匹敵する戦略級魔法師「十三使徒」の一人であることを瞬時に見抜く。そして、同じ時期に東京で発生した『吸血鬼』事件―魔法師の血液を抜き取る連続傷害事件との関わりを探るのだった。『吸血鬼』事件の全容は次第に明らかになりつつあった。達也のヒントと幹比古の古式魔法によって、『吸血鬼』の正体が『パラサイト』と呼ばれる『魔性』であることを突き止める。しかし、別次元から意図せずに招かれたその『来訪者』は、ついに魔法科高校に襲来する。その『吸血鬼』の正体(宿主)は、意外な人物で―!