b zhan cm yang, kei (blue archive), blue archive, highres, 1girl, alternate costume, alternate hairstyle, ass, black hairband, double-parted bangs, from behind, hair between eyes, hairband, halo, long hair, long hair between eyes, looking at viewer, loosely tucked bangs, one-piece swimsuit, open mouth, partially submerged, pink eyes, pink halo, ponytail, rectangular halo, ringed eyes, solo, surprised, swimsuit, white hair