​Experience the groundbreaking h-series that has revolutionized adult animation! This highly popular series, consisting of three distinct anime titles – Isaku, Shisaku, and Kisaku, delves deep into scenes of violence, perversion, and insatiable lust. Explore the twisted world of three sadistic brothers and their dark desires. Witness a prestigious music academy that hides scandalous secrets behind its pristine exterior. Shusaku, the school handyman, uncovers the lascivious truths of the talented female musicians and exploits them for his own pleasure. Brace yourself for an onslaught of hardcore sex and unconventional fetishes that will leave you yearning for more. Immerse yourself in this explicit masterpiece that has shaped the history of adult anime forever.​