Rintaro Okabe in 2010 fortuitously discovers a principle of time machine during one of his experiments in his laboratory located in Akihabara, Tokyo. This will cause the interest of some characters, like the brilliant scientist Makise Kurisu, Okabe who had seen just before death.
The experiments continue, initially only able to send text messages back in time, which cause changes apparentamente influential in the current time, not forgetting of butterfly effect would result in substantial realities.
Rintaro explains what happened to Hashida and then mentions that he received a text message similar to that described Rintaro a week ago. At that time they realize that your microwave can send text messages to the past, and name these messages "D-mail". The characters discover that SERN later, an organization that has been researching time travel for some time, has actually succeeded in sending humans in the past even though they appear to have resulted in death of the test subjects. After microwave Kurisu improves the ability to send memories over time, allowing an effective way to travel back in time.
He calls himself by all Kyoma Hooin, the protagonist of the story. Self-proclaimed mad scientist creates with the help of his assistant of many futuristic gadgets that do not find any practical use.
She a brilliant young scientist, he lived for a long period in the United States of America , his father's jealous of his talent cause of the girl with the notes on its relations of time travel.
She is a member of the research laboratory, a calendar girl who has suffered much loss of his grandmother, Okabe sees a kind of protection is defined as his hostage. Passionate about cosplay, throughout history will die killed by Moeka.
Itaru "Daru" Hashida
He is a n expert hacker who uses the IBM 5100 to decrypt the language used by computers on the SERN. Regular visitor to maid cafe, prefer to have social relationships with people in two dimensions.
She is an antisocial girl, always carries a cell phone, waiting for instructions from FB, mysterious character who works for the SERN.
She is the featured young women working at a temple when he met Okabe was glad that he had not prejudiced and that for him if he was a boy or a girl did not have much difference.
She is the girl who led through the large sums available to the family moe culture in the district.
She works part time for the owner's apartment Okabe and is in search of his father in Akihabara. She enjoys cycling and seems to contradict Kurisu.
He is the owner of a TV repair shop drawings beneath Okabe Lab.
She is Yuugo's daughter who lives with him in the TV repair store and gets along well with Mayuri. She is set to appear as an adult in Robotics;Notes.