NOTICE : This is a very deep story, and my not make any sense to some.
here we go... (story has been tweaked for reading purposes)
SCHOOL DAYS. Episode 1 / 12 : Confession.
protagonists : Konotoha / Sekai / Itou
It all starts with Itou, a first year high-school student being on a train, across of him on the train sits a beautiful girl (konotoha), wearing the same school uniform as all the girls in his school does, so he takes a picture for good luck (don't ask.) once he reaches school he gets a new seat next to the all-so popular girl Sekai, who sees him have the girl on his cell phone, after some conversations, she decides that it will be her new "project" to bring the two together, she arranges lunch with Konotoha, without telling her that she's taking Itou with her, once the three are sitting there on the rooftop, eating their lunches ever so quietly, sekai leaves for the two to be alone (wow, isn't that going fast). the two talk, a lot, and see that they have many things in common, the next day itou asks konotoha if she will be his girlfriend, and she accepts, awaiting his first date he sees sekai waiting for her train, he thanks her over and over again. asking her how he could ever repay her, sekai smiles, and kisses itou, saying that's a reward enough, she boards her train, leaving him behind, stunned and confused. you can see sekai crying in grief on the way back home.