Originally Posted by Unregistered

I check if you realy have 30 rainbow medals if you drop 5* girl in prenium gacha and the answer is NO, i drop 5* from prenium gacha but no medals same thing with prenium ticket so this thing in the exchange is just here for angry us.

The Leader Tickets, which are mysteriously missing from the Leader Medal exchange, are what would give 30 rainbow medals for a 5*. The premium gacha gives 2 rainbow medals for 5* dupes.