Fate/stay night (2006)

Season 1: Episode 2

Rin seems to have problem with the servant she has and the fact that she wasn't powerful enough to call forth a more powerful servant. Back at school, Shirou has been asked by Ayako to keep an eye on Sakura's brother Shinji Matou, who's been fooling about in archery club. In the end Shinji takes advantage of Shirou's helpful nature and makes him take care of the archery club's dojo. However while Shirou's cleaning head goes out to inspect a noise, only to witness a fight between two servants.