Kamitsubaki-shi Kensetsuchuu.

Seven years after a catastrophic event, Kamitsubaki City emerges as a symbol of scientific progress and wealth. However, the city's dark corners are home to Tesseractor, creatures formed from human negativity. Five girls known as the Witchling use their vocal-based magic to combat these threats. Their battles aim to preserve the city's stability and contribute to the recovery of a fractured world.