kithera, kazusa (blue archive), blue archive, 1girl, animal ears, bare shoulders, bass guitar, black hair, black tank top, blush, breasts, cat ears, colored inner animal ears, colored inner hair, crop top, ear piercing, halo, headphones, headphones around neck, instrument, jacket, multicolored hair, open clothes, open jacket, piercing, pink eyes, pink hair, pink halo, short hair, simple background, small breasts, solo, tank top