@Lolix: You were the one who advised me to reroll accounts until i get something good, when i first started to game. Recently i noticed you didnt do the same to newcomers not that i dislike the idea tho, just wanted to point out this.
@OP: Rerolling accounts is frustrating, make sure you have enough free time to do it, took me 2 days to get a black. But it was well worth it (farne, marnie and mikoto says hi ) you got mia from shrine as a plat as i see and you also have belinda/lolonee which are decent units and good reason to keep your account but urge of getting blacks will be strong later on, dont say nobody warn you another good thing is you didnt cced at 30, never do it below max level and like buttlover said try to unlock "Fiery Oasis" map as fast as you can, look for guides on youtube, faster that way but if you want to make your own strategy then go ahead.
I understand sammy's frustration btw, mikoto is a multiple witch-mage-semi necromancer-panic button combined in one person dont know if there is any unit even at dmm that has more utility than her.