Anime Crossover: I Woke Up After Getting Blackout Drunk at Graduation as the Great Villain

After the college entrance exams, I drank until I blacked out. When I opened my eyes, I was lying beside a charcoal brazier in an old mansion, nearly poisoned. I opened the door and ran into a beautiful woman in white. She curtseyed to me. “Young Master, you're finally awake. Lord Kibutsuji has been waiting outside the hall for three days.”