Clock Zero: Shuuen no Ichibyou Portable

Clock Zero: Shuuen no Ichibyou Portable is an otome game, developed by Design Factory and published by Idea Factory, which was released in Japan in 2011. It is a port of Clock Zero for the PSP.

Kurou Nadeshiko is the twelve year old daughter of some wealthy high class members. She goes to a wealthy school with her childhood friend and hopes become a doctor one day. However, every night she has a dream about being in another world. That world is full of ruins and she is ten years older. One day, a transfer student named Kaido Takato comes to her class and she gets involved in an after school extra-curricular club which they call “Clock Zero”.