Kozue Yoshizumi

In the warmth of a golden sun, timid high school student Haruka Suzumiya confesses to Takayuki Narumi, the boy she admires. Takayuki accepts Haruka's confession and the two become a couple, supported by their mutual friends Mitsuki Hayase and Shinji Taira. All is well for these friends—until tragedy strikes. One of them is sent to an unenviable fate, lying dormant in a coma. Three years later, they awaken, but their sudden reappearance in everyone's lives threatens to test the limits of these friends' bonds. [Written by MAL Rewrite]

Photon Earth is a young and gentle boy with superhuman strength and "Baka" (meaning "idiot" in Japanese) scribbled on his forehead (apparently by his troublemaking friend Aun Freya). One day, he finds himself engaged to the beautiful fugitive pilot Keyne Acqua after writing "baka" on her forehead. And that's the least of his worries as he must protect both Aun and Keyne from the evil Papacharino, who seeks to steal the secrets of "Aho" (another word for idiot) energy from Keyne's grandfather's ship. (Source: ANN)

A light in the sky, followed by a strange aura and murders. Each character tells their relationship with the event. All the stories are slowly intertwined by apparently minimal similarities and the story of Boogiepop is revealed.