fyi, bronya will give you that face if you finish a stage using mecha ver. but so far i got it when i use her in event. so maybe is a 50/50 for other stage.
fyi, bronya will give you that face if you finish a stage using mecha ver. but so far i got it when i use her in event. so maybe is a 50/50 for other stage.
I thought it was just completely random, I might need to check that out