Rebirth in the Meteor Falling Light Years

The sister who fell from the sky is a super cute rich daughter, and the beautiful accountant is actually her exclusive girlfriend... Wait what's going on? ! "Am I the only one who is reborn?" Although it is back to early May 2013 twenty years ago, the development of time here will always be different~ But it doesn't matter, anyway, he met the girl he was longing for for the first time, but he didn't expect that these elementary school classmates would be in the same college class as him. How will Bai Xiangguang cope with this time superpower, which is called the "light return power", when disaster occurs when time goes back? After all, it is related to his rebirth~~~~