I want plat. fairies, so I run Corps map first. But miserable results...
17 runs, only 2 Rika, only 3 fairies, 3 armors

Then next to X map. This result is around the estimation.
27 runs, 14 Rika, 2 Cecily, 4 Gustav, 2 armors

Rika became min-cost but SL 5/10 yet... XD