This Pokemon cube craft is Sekai Saionji, one of the main characters of the anime / manga series School Days, the paper model was created by alonso jacobo. She has medium length dark brown hair and greyish-blue eyes, and is mostly identifiable by her ahoge.
Sekai is in the same class as Makoto Ito and her best friend, Setsuna Kiyora. When first starting high school, she fell in love with Makoto who would later be assigned the seat next to her in class. Sekai is a cheerful girl that deeply cares for her friends and even set aside her own feelings to help Makoto gain the confidence to start dating Kotonoha because she wanted him to be happy.
Sekai also has a red cellphone in which she has a picture of Makoto set as her wallpaper, believing the rumour that if no one sees it, he will fall in love with her. When troubled, Sekai will usually turn to Setsuna for advice.
School Days is a Japanese visual novel developed by 0verflow, released on April 28, 2005 for Windows and later ported as a DVD game and for the PlayStation 2 (PS2) and PlayStation Portable (PSP). The story, a dramatic slice-of-life, follows Makoto Ito, a high school student who becomes the ambivalent love-interest of several girls during his second term, and the effects this has on himself and his relationships with other characters. Though the game requires little interaction from users, School Days engages the player through a plot that they are given opportunities to change the course of during play. The game concludes with an ending specific to the outcome of the story, some of which became notorious for their graphic violence.
You can download this cube paper craft toy here: School Days - Sekai Saionji Cube Craft Free Paper Toy Download