Murakami likes her mysterious classmate Mako Fujisaki, but she never talk to anyone. He says he has seen her naked and transformed into a raven, but noboby believes him. Murakami decides to confront her to tell him he is not lying but Fujisaki just answers him that he will die if he rides his bycicle.<br />He don't believe her words but soon he realizes Fujisaki's words were true. What will happen to Murakami and who is this misterious girl really?<br /><br />A prototype one-shot of Gokukoku No Brynhildr's Okamoto manga published in his short stories compilation volume named "Flip Flap", 2014 edition.