Tokyo Hai Ku No Sen Onna San Shidan (Torisu Keri on) 2 (Fujimi Fantasia Bunko) [Light Novel]

[Machine Translation] Haruhi Mukaiyama's ability to amplify magic power through touch, "Magic Assistance". His ability was awakened by his physical affinity with the girls of the Yodoyabashi Platoon, and he escaped the danger of the platoon's total annihilation... The next order from the upper echelon of the "Three Warrior Girls Division" is for Kasuga and the Yodoyabashi Platoon to experiment with living together! Nothing could possibly happen when a man sleeps alone in the girls' room... The next order from Kasuga and the Yodoyabashi Platoon was to conduct a cohabitation experiment with a man sleeping alone in the girls' room. Whether by design or by accident, a series of happenings occur in the bathtub and while changing clothes! As the distance between Kasuga and the girls grows closer, a group of S-class demon demons, and beings with magical powers beyond that, are approaching!

触れることで魔力を増幅させる、向山春日の能力「魔技補助」。欲屋橋小隊の女子との体の相性によって、彼の能力は覚醒し、小隊全滅の危機を免れたが...「戦女三師団」上層部からの次なる指令は、春日と淀屋橋小隊の同居実験!?女子たちの部屋に男が1人寝泊まりして、何も起きないはずがなく...「最高のタイミングでドアを開けてしまいましたね、僕」「いいから出てけ!」着替え中にも、お風呂にも、狙ってなのか偶然なのか、ハプニングの連続!春日と女子たちの距離が縮まっていくなか、S級魔妖の群れ、そしてそれを超える魔力を持つ存在が迫っていた!?