While Tanjiro and his friends were laying unconscious on the ground, Nezuko comes out of the box as the bamboo on her mouth drops. Her round pink eyes turned to piercing slits and veins pop on her face and her body became more muscular and large, which caused her pink kimono to become too small on her demon form and the collars revealed her cleavage and her pale strong legs.

"I will protect Tanjiro-nii-chan!" Pink flames start appearing behind her as she stares at the demon fiercely.