lcwarthen

The story follows Rico, an orphan who dreams of becoming a great cave raider, much like her mother, and solve the mystery of the Abyss. The Abyss is an unexplored enormous cave system inhabited by strange and wonderful creatures, along with mysterious artifacts.

Rintaro Okabe is a self-proclaimed "mad scientist" who believes that an international scientific organization named SERN is conspiring to reshape the world according to its own interests. He and his friend Itaru Hashida inadvertently create a gadget able to send messages to the past.

Tomoya is labelled as a delinquent at his school because he is constantly late and skips classes, but he seems to have little care about how others perceive of him. Everything in his life seemed dull and unchanging until one morning he meets Nagisa Furukawa on the road to his school; he finds her muttering to herself to give her more motivation for the school day.

Events in After Story take place immediately after the end of the first part, but extends into the next ten years, where Tomoya and Nagisa live together as a family. Life continues on for Tomoya.