In a prestigious academy nestled deep within the mountains, far from civilization, a dark secret lurks. Hidden beyond its heavy iron gates are cruel and heartless "witches"—innocent yet wicked young ladies who take pleasure in igniting scandals, delighting in the fiery spectacle of others' suffering. Their seemingly petty mischief plunges the peaceful daily lives of innocent people into a blazing inferno. To deliver the iron hammer of "education" upon these ruthless young women, one man rises to the challenge once again. His name is Yamato Seigi, a specialist in quelling scandalous fires, a man driven by a passionate resolve. Awaiting him in the depths of this ancient academy are noble ladies—whether they are pure or depraved, only time will tell. [Translated from [url=http://www.astronauts.co.jp/sirius/enjogakuen2/overview.html]Official website[/url]]

外資系痴漢企業、襲来！日本の痴漢に危機が迫る！ あれから半年―― 度重なる激闘の末、弱体化しその勢力を失った 闇の痴漢組織『蛮痴漢（ばちかん）』。 その隙を突くかのように、 外資系痴漢配信企業『モンデルーン』が、ついに日本へ上陸した。 風光明媚な古都・八馬城。 だが静かな土地の平穏は突如失われる。 海外の痴漢たちによる、横暴極まる卑劣な痴漢行為。 貪り喰われる大和撫子たち。 今、日本の満員電車は危機に瀕していた。 異国の痴漢に立ち向かう、残された蛮痴漢の精鋭たち。 そして喜壱もまた、一時の休息を終え 外来痴漢を排除すべく再び立ち上がる。 柔肌を這いまわれ、一式・蟲指！ むせ返る満員電車の中、再びほとばしる喜壱の痴漢七十二指法。 襲い来るモンデルーンのタッチメンたち。 そしてエリート痴漢集団『ゴールドフィンガー』が 喜壱たちの前に立ち塞がる。 『モンデルーン』ＣＥＯ・アシュリーの真の目的とは何か。 そして千年の時を経て蘇りし呪物 『痴漢の手』に秘められた謎とは？ 昏闇の中、欲望を乗せた「箱舟」が再び走り出す！ 雫したたる白き肌、熱く蕩ける欲望の果実。 獣欲ひしめく狭き檻、行き先は劣情の桃源郷。 触らなければ、伝わらない心がある―― 孤高の痴漢師、草壁喜壱。 その流麗にして苛烈な指捌きが今再び――！

Half a year after... The organization of Chikan fetishists (Vatican) lost its base of operations in an explosion. However, the organization wasn't wiped out. The revived Vatican announced the battle royale "Avalanche" for the Feelers who place their survival at stake. Kiichi feels the passion in his blood boil over as he commits himself into a Chikan battle once more. This time those who oppose him are the mightiest Chikan group "Kuro no Shuu" and the "Punishers" of the international anti-Chikan organization "Innocence". To accomplish the goal of his younger sister Shizuku and to justify his own existence as a Chikan, Kiichi's fingers will once again force open the door of pleasure deep within his targets. [Translated from BugBug interview]

The underground group "Vatican" is comprised of fetishists who enjoy public molestation (Chikan). The "Feelers" of this group prepare videos of these lewd acts to members. The group members enjoy the videos and generously reward the Feelers for their services. Kusakabe Kiichi is young, unemployed and leads a dull, unfulfilling life. He is a freelance Chikan; one day a mysterious person "Cameo" scouts him out to help make videos for the Vatican group. Kiichi molests others for his personal enjoyment, so the thought of doing so for others and getting paid for it to boot convinces Kiichi to use the skills praised by Cameo to make videos for the group as well as take the opportunity to test how far his skills can take him. Inside the packed trains swirling with lust, Kiichi uses his refined molestation techniques and his eye for picking out girls who desire to be molested to drag countless victims into the whirlpool of pleasure. Standing in Kiichi's way are rivals belonging to the Vatican group. Law enforcement, the hounds seeking the destruction of the molester groups, have Kiichi firmly in its sights. What is the "Ark" which victims addicted to the pleasure of Chikan board? What is the true aim of the Chikan fetishist group "Vatican"? Inside the chaotic darkness of the modern world where all manner of predators prowl, Kiichi's techniques will lay bare the desires of women. [Translated from official website]