At war with the adjacent Kioka Republic, the Katjvarna Empire. In that region, due to certain circumstances, there was a certain youth unwillingly preparing to take the High Grade Military Officer Exam. His name, Ikta. Disliker of war, lazy, admirer of women. No one predicted that that kind of Ikta would later on become a soldier referred to even as a great commander... He who survived a world embroiled in war with his superior genius, Ikta. Illustrating his dynamic, dramatic life, a splendid fantasy military history, the curtain is raised at last!
Set in a fictional European country in 1924, a Japanese exchange student meets a mysterious, brilliant girl who only leaves the library to sleep. Her brother, a detective, relies on her exceptional mind to solve difficult mysteries.
Keitaro and his childhood sweetheart make a promise to be accepted at and to meet each other at the prestigous Toudai University before she moved out of his life. About a decade later, Keitaro has become an artist and a daydreamer, having ranked 27th from the last in the national practice exam. When his grandmother leaves the all-girls dormitory, he becomes the residential manager and soon meets up with two Todai applicants who may have been that sweetheart, since he's forgotten her name. Then there the other tenants like young Shinobu who was in despair until Keitaro helped her, Motoko the swordsmaster who sees men as evil distractions, Su Kaolo the genius child inventor and the sneaky Kitsune.
Fuutarou Uesugi is a poor, antisocial ace student who one day meets the rich transfer student Itsuki Nakano. They argue but when Uesugi realizes he is to be her tutor, he tries to get on better terms. While trying to do so he meets four other girls.
The dark untold story of Steins;Gate that leads with the eccentric mad scientist Okabe, struggling to recover from a failed attempt at rescuing Kurisu. He decides to give up and abandons his lively scientist alter ego, in pursuit to forget the past. When all seems to be normal, he is seemingly pulled back into the past by meeting an acquaintance of Kurisu, who tells him that they have begun testing a device that stores the memory of a human and creates a simulation of them with their characteristics and personalities. Okabe begins testing and finds out that the simulation of Kurisu has brought back anguish and some new unexpected tragedies.Zero is a side story that explores events from the Beta Attractor Field's future that contribute in making the end of the original story possible.