The goal of a dating sim is to raise your Relationship EXP with characters and after falling in love, to have a happy ending with them.
NB Where ages are quoted these are the ages at the time the character appears in the story – the story moves through a year fairly quickly so ages change quickly.
Keitaro is set on gaining entrance to Todai to fulfill the promise he made to his childhood friend, even though he cannot properly remember either her name or her face.
Later, in volume 13, it is revealed that Todai may not even refer to Tokyo University after all.
Choose your character and go to the Hina Inn where you get to meet a lot of girls.
Your basic goal is to get a Hina girl and gain as much money and experience as possible.