I Would Never Let You Go Again(Date A Live)

Disclaimer:" First, l do not own date a live and l do not own any images that l use in the story"Every image and Date a life are owned by the respective owner

Even though Rinne is the main character l would like to be fair and occur some events with some other characters like events but not to the point, falling in love
There may be Harem.

"Let meet again here
I will keep trying even
it will be forever
so kept waiting for me "

You are normal until your parents were killed by assassin and you are sold to scientists and scientists insert spirt cell and you get power from that. You have to give memory exchange your power but among those memories, you can't forget someone who promised each other to meet other again next 8 years.