PantsuHero

Subaru finds himself in a fantasy world. He thinks he's supposed to be a big hero as the protagonist from many types of anime.

Gurren Lagann takes place in a fictional future where Earth is ruled by the Spiral King, Lordgenome, who forces mankind to live in isolated subterranean villages. These villages have no contact with the surface world or other villages, and are under constant threat of earthquakes.

Due to an untimely death of one of its members, a once happy and playful group of friends drifted and grew apart. Living their lives separately from each other, they secretly blame themselves for the horrible accident, and never got to move on even after years had passed.

Tada Banri is a newly admitted student at a private law school in Tokyo. Due to the after-effects of an accidental fall from a bridge shortly after high school graduation, he lost all his memories from before then.

It’s a new school year and Ryuuji Takasu discovers not only is he in the same class as his best friend, Yusaku Kitamura, but also Minori Kukshieda whom he's had an undisclosed crush on for quite some time. Ryuuji, the main character, runs into Aisaka Taiga who happens to live next door.

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.

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.