Succesfully complete the 4th Date with Ilya
Succesfuly complete the 4th Date with Satella
Succesfully complete the 4th Date with Laey
Get every Girl to like you very much in one run, but don't act on it.
Win a space mission with at least 2 Anomalies and without taking damage
Destroy at least 8 Enemies during a space mission.
Survey 5 Anomalies in a single mission
Have a dating skill at least at level 8. Oh, and yes, this is too much theory. Bad!
Start learning the game. Congrats, you are already doing it!