There s definitively something odd.. 3 girls on pachinko let s name them A B and C, my results are
A A A B A B B B which left me with silver lupa, the one i wanted, as last one.
I think there something linked to which girl is showed as first girl ( like by ID ), because When i tried Fanny & Fione, it was the first girl shown.
Anyway got 3 legendary girls, including the one I wanted silver lupa, plus i could use 5 pachinko X3 instead of 2 pachinko x6 so ¯\_(ツ)_/¯