Sora and Shiro are brother and sister. They are hikikomori, they don’t work or study anywhere, but they have become famous throughout the Internet for their skill in games. Once in Disboard - a world where everything is decided through games - they scored several brilliant victories over opponents with magic and superpowers, and challenged the One God himself.

As our heroes enjoy a well-deserved rest in the Eastern Union , they receive a visit from a dhampir named Prem. Prem begs Sora and Shiro to save their race, which is on the verge of extinction, and to do this they must... win the love simulator! At first glance, the task looks quite simple... What could go wrong?..