Shelly, who, has lived a emotional rollercoaster life, is special in way that will come to light in this visual novel
A Mystery Lady from the future, that knows Shelly very well, travels back in time to find Shelly and asks her for her help to stop the end of the world from 5 very powerful men in the future that have taken control of the Earth
Shelly thinks she is travelling back in time to change the past to save the future, but, will quickly find out she is actually needs to correct the time line
Shelly is asked to travel back in time, to five very different time lines, to find 5 different woman, one on each time line and find a way to stop them from ever getting pregnant from an alien man, which will stop 5 powerful men from ever being born and destroying humanity in the future, resulting in them never being born, this will then will save the future and end the war
But it won't be easy, as one of the powerful men is also travelling back in time