Timeline

Meeting: Atticus and Aoi meet for the first time while he is out playing in the park

Becoming Friends: Atticus and Aoi end up being friends over the summer

Getting Her Away from a Bad Situation: Aoi and Atticus run away from her abusive father and pray that she gets away from him. She ends up living with grandmother

Separation #1: Aoi ends up moving away when summer ends

Reunion: Aoi and Atticus end up back together in high school

Dating: Through separate clubs, Aoi and Atticus try to get together

Loss of Virginity: Atticus and Aoi end up sleeping together days before graduation

Pregnancy and Graduation: Aoi ends up pregnant and the couple graduate from high school

Married and Life and Kids: Atticus and Aoi are married with children

New Job: Atticus gets transferred south for work

Deaths: Atticus' grandma and Aoi's father died

Separation #2: Atticus leaves for a new chapter with his work