>>532407794
because if she's in the permanent pool, that means
1 - everytime you lose a 50/50 (or get to 165 pulls on the 110 banner type), you get a chance of nurse minami
2 - everytime you use a gold ticket, a chance of minami
3 - can select minami with non-limited character selectors
if she's a psuedo limited until half-anniversary, tomoko becomes a lot more viable