the protagonist of this work, rintaro okabe (voiced by masamo miyano), is a college student suffering from a severe secondary school disease. he and his partners, who call themselves "phoenix academy", formed the "future invention research institute" to conduct various strange inventions and investigations in a simple laboratory in akihabara. on july 28, 2010, okabe and childhood sweetheart mayuri (voiced by hanazawa kana) went to the science lecture notes venue together, where they met the genius girl makose hongrisu (voiced by imai asami). an unexpected thing happened. okabe heard a scream in the corridor corridor. he heard the sound and found makise lying in a pool of blood. okabe used a text message to tell his friend shibataji about this incident. this action overturned the world. the so-called "future prop" in the laboratory can really influence the progress of the world, and okabe has since become a lonely observer. all of this is the choice of the stone of destiny ddd