inoue takuya (tactactak), yuuka (blue archive), blue archive, 1girl, alternate costume, black halo, blue one-piece swimsuit, blue skirt, breasts, collared shirt, covered navel, halo, large breasts, long hair, mechanical halo, one-piece swimsuit, open clothes, open shirt, purple eyes, purple hair, shirt, simple background, skirt, solo, sweatdrop, swimsuit, two side up, wet, white background, white shirt