Because Of Her We Met

PROLOGUE:

WHAT IF THERE WAS A CHANCE THAT YOU CAN GO BACK TO TIME TO SAVE THE ONE YOU LOVE?????

This is a story that revolves around a girl named Lucy Heartfilia and a boy named Natsu Dragneel. Natsu is the school's hearthrob while Lucy is just his unnoticeable classmate. In the future, she and him had a daughter named Nashi. One day at the future, Lucy got comatose in all 7 years and Natsu waited for her to wake up. As a great scientist, Natsu himself invented a time machine to go back to time and warned them both their past selves. As her daughter Nashi over heard his plan. She wants to be the one to go back in time, so it could be an experience for her to see her parent's past selves. Natsu agrees, in his thought that he will lost his daughter but Nashi insisted. There was no other choice to be made since Natsu thought that their past selves will freak out about him so he agrees on Nashi's plan. He then let entered Nashi to his time machine and there Natsu waited for Nashi's comeback and his beautiful wife to wake up.

But there was unexpected twists.

Natsu has type the wrong date on the time machine. Instead, Nashi travelled back to time where her parents where just ordinary high school students. She then realized her new mission.

There she met her parent's who didn't met.

And the story continues.............

What is Nashi's mission all along from the start?