Charcoal Whisper was the villainess version of my sister and the villain of Whisper Jeans (show). She's a Whisper Darling and Kazumo Whisper's Sister and Queen Harumi's Daughter.

Bio:

After my sister turns 18, she becomes the mad scientist to create the until she becomes the Charcoal Whisper when she finishes training to be a doctor. MIWBTI 3 is over, the franchise MIWBTI is back the inside of Whisper Jeans (show). The last chapter of MIWBTI 3 of being independent alone is "The Final Battle before Marriage", much before MIWBTI 4 is in progress for making chapters.

Queen Harumi reveals that she has a daughter who has a Villainess form inside the show. The sister was a big fan of Rick and Morty, she likes Rick Sanchez. Charcoal Whisper was Midori's enemy even though he claims that the evil doctor shouldn't be working in the laboratory.

Charcoal Whisper, Whisper Jeans (show) (C) me