This is another of the many short animated clips contained within the 2002 eroge game Viper-RSR from the now-defunct Japanese game company Sogna. (According to Wikipedia, Sogna’s games generally featured “young Japanese girls who, in one way or another, find themselves either kidnapped or attacked by monsters, cyborgs, or aliens.”) This forum thread identifies the redhead as Akira Honjoji, the main character in the “Rise” series of Viper games. The animation appears with several other Viper-RSR clips on this Japanese-language site.
Image provenance by Bacchus at Erosblog.