Clock Zero: Shuuen no Ichibyou

Clock Zero ~ Shuuen no Ichibyou ~, also known as Clock Zero ~ A Second from Ruin ~ is an Otome Game Visual Novel published by Idea Factory and Otomate for the PS2 on 2010, and later rereleased on the PSP. It received a more updated port with higher resolution graphics and new additional routes on the PlayStation Vita in 2015, dubbed as Clock Zero ~Shuuen no Ichibyou~ Ex Time.
The story follows Nadeshiko Kurou, the young, 12-year old heiress of her father’s company, the Kurou Group, who, along with her childhood friend Riichirou Kanou, attends a private school like most regular rich kids her age. Recently however, Nadeshiko is plagued by strange dreams where she’s in a ruined, dystopic world and where she herself appears ten years older. These dreams begin appearing in more frequency the moment the resident New Transfer Student, Takato Kaido, enters her life.