NHK Ni Youkoso Temporada 1 Episódio 18

Having just returned from being fooled into buying products in a Pyramid Scheme, Tatsuhiro and gang attempt to Megumi to call the deal off but she has no intention on returning his money. After being fooled a second time they all go to Megumis house, with the intention to return the goods, but end up finding out something truly shocking.