A plan to migrate humanity to the planet "Elan" is created, the Elan Project.
In order to select suitable people to join the project many boys and girls with great mental ability are gathered in the research city Alpha.
The protagonist is one of the best candidates, and while acquiring training they interact with the other candidates.
While conversing with the other candidates there aren't just the usual conversation options. It is also possible to choose Happy/Normal/Sad/Mad emotional type responses.