The story is of this one is pretty straightforward - there is a certain college of 'sex', whose sole intention is to educate youth of marriageable age of the intricacies and pitfalls of married life. There is this whole bunch of really sad looking students who, I'm quite sure, have no idea why they are there. The very serious professor feels that the best way to educate them and make them really understand is to show them videos of real life situations.
There are two main stories that he tells them. In the first one there is a family of parents and three children. The eldest brother....