Update catalog: Cha Mia from Mia's Back manhwa

README.md

@@ -31,7 +31,7 @@ Unlike raw training dumps, **only sweet-spot epochs** (pre-overfitting, tested f
 | **Shemira (AFK Journey)** | Epoch 5 (Fixed) | `shemira` | Curved horns, eye visor, single green eye, mint hair | `anima/shemira_afk/` |
 | **Belo Betty (One Piece)** | Epoch 5 | `belobetty` | Top hat, goggles, sunglasses, open red jacket | `anima/belobetty/` |
 | **Burstinatrix (Yu-Gi-Oh!)** | Epoch 7 | `burstinatrix` | Red hero suit, black hair, golden bangles, fire | `anima/burstinatrix/` |
-| **Mia (Back Focus Study)** | Epoch 5 | `miaback` | Back muscle definition, spine contour, rear view | `anima/miaback/` |
+| **Cha Mia (Mia's Back)** | Epoch 5 | `miaback` | Fang, straight bangs, black choker, ear piercings, track jacket | `anima/miaback/` |
 
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