The future cannot be changed! In 2019, former track and field club member Maki Makino meets a mysterious man with sunglasses on her way to school who saves her life. That encounter connects her to her past and future... Presented with overwhelming power, a 'boy meets girl' story opens here with unpredictable results!
I don't understand the text, but the numbers I do. It used addition, add the numbers if it's double digits... Only get the one's digit value. Ex. 3 and 7 is 0 and 6 and 8 is 4.