Naruko was the twin sister of Katsuki bakugou her quirk was Chakra is the result of combining her spiritual and her physical energies together. When channeled through your chakra network and focused with hand signs we can use it though genjutsu, ninjutsu and taijutsu. The five types of elemental chakra are: fire, water, lightning, earth and wind, though other forms seem to exist in special cases. Naruko Katsuki's Quirk allows him to produce powerful explosions. He does this by sweating a nitroglycerin-like substance from his skin which he can then detonate at will. He initially used these explosions for the offensive purposes, but overtime, he has gotten more creative with his Quirk and has been able to use them for defensive purposes, as well as boosting his speed. He is able to continue hold in and fire his explosions at continuous pace, allowing him to break through structures and barriers such as He cannot spam his Quirk recklessly, however, as doing so will cause his arms to ache and his explosions to weaken. Naruko has explosions as well Izuku two a quirks called pyrokenesis one for all One For All is a transferable Quirk that can be passed on from one user to the next. Its name comes from its nature; being 'one' Quirk for 'all' people. In order for the Quirk to be transferred, the recipient must ingest a sample of the predecessor's DNA eg related his twin sister Quirk was telekinesis
Naruko was playing with the All the other kids when Izuku's hand started flaring "Whoa that's so cool middoya said one kid
Even Katsuki thought it was alsome Naruko grin her foxy grinned "nice middoya" said Naruko as Izuku went red bushing as katsuki smirked his expected this from the number one's son