I was wondering about why doing a bunch of G1 races didn't always seem to boost affinity, apparently it can't just be random G1s but specifically the same G1 your parents won to get the bonus, I wondering what combo I should go for to try and get high affinity for Oguri/Spe/Golshi as my main 3 stars
https://www.youtube.com/watch?v=CNrEIuwOde4