While Tohka experiments with the new cellphone she got from Kotori, Origami approaches Shidou and demands a date with him. Unable to refuse, Shidou is assisted by the Fraxinus crew to ensure that their date becomes a total failure but all his attempts to ditch her are futile...

Some time later, Shidou has a date in the arcade with Tohka and when he asks to take a picture with her, she refuses and enters the photo cabin by herself instead, giving him a picture of hers that she claims is for his eyes only...

(Source: Wikipedia, edited)

Note: Unaired 13th episode of the TV series bundled with the ninth volume of the original light novel.