Welcome to the N-H-K (2006)

S1E18 Welcome to No Future!

After recently falling victim to a Pyramid Scheme, Tatsuhiro and his friends try to persuade Megumi to cancel the deal and refund his money, but she refuses to cooperate. After being duped yet again, they decide to confront Megumi at her home to return the items. However, when they get there, they stumble upon a revelation that completely takes them by surprise.