Board Thread:Question and Answer/@comment-24596086-20150324191911/@comment-887715-20150329190847

It's purely based on RNG(other than the Likeability, which gurantees a SR/UR drop upon filling the heart to full), but on one occassion, if you're extremely lucky, the SR cards will drop like raining(a.k.a raining SR cards FTW~!). Happened to me once during the Cybercity event!