This is a short overview of sex modelling in Russian LARPs.

1. Why we need sex modelling?

- as a part of demography. How to die on a game and come back your own son?

- as a part of cultural life. Bordel is a popular place for the rest on a game

- how to play lovelace and how to support this by game rules

- virginality as a symbol of holy life

2. How to model sex in a game?

In this part I will propose you some simple ways how to play sex in a proper way.