"Yuusha" Party ni Sennyuu shita Maou-gun no Ansatsusha -Kikendo SSS Class no Mission, Barenai you ni Ganbattetara Onna Yuusha ni Kiniirareta- 3 (Young Magazine KC Special)

[Machine Translation] What is the outcome of this quirky otherworldly fantasy about an assassin who knows no addition or subtraction, and a female hero who is in love with him? The shocking conclusion! Viper of Secrecy" is a skilled assassin from the Demon King's army who has infiltrated the heroes' party. As the fifth member of the heroic party, "Vamp of the Scouts", he has escaped death from Nanami, the female hero, and from Christy, the high priestess...! The Vamp is steadily gaining the trust of the heroes' party, even more so than he had expected, but his true identity is finally discovered by Saori, another elf...! What is the outcome of this quirky otherworldly fantasy about an assassin who knows no addition or subtraction and a female hero who is in love with him? The shocking conclusion!

加減を知らない暗殺者と彼に恋する女勇者による、風変わりな異世界ファンタジーの結末は！？　衝撃の完結巻！！勇者パーティに潜入した魔王軍の凄腕暗殺者「隠密のヴァイパー」。勇者パーティの5人目「斥候のヴァンプ」として女勇者ナナミに続き、大僧正クリスティからもともに死線を潜り抜けたことで…！？着々と、なんなら自分の想定以上に勇者パーティの信頼を得ていくヴァンプだが、同じエルフのサオリに遂にその正体を勘付かれてしまう…！！加減を知らない暗殺者と彼に恋する女勇者による、風変わりな異世界ファンタジーの結末は！？　衝撃の完結巻！！