bine kun, aris (blue archive), midori (blue archive), momoi (blue archive), yuuka (blue archive), yuzu (blue archive), blue archive, absurdres, commentary, highres, 1girl, animal ear headphones, animal ears, aqua halo, blue eyes, blue hair, blush, breasts, cat ear headphones, cat ears, covered navel, fake animal ears, game development department (blue archive), ghost, ghost costume, ghost pose, green halo, hair ornament, halloween, halloween costume, halo, head tilt, headphones, large breasts, long hair, looking at viewer, naked costume, orange halo, pink halo, sheet ghost, solo, solo focus, tight clothes, triangle hair ornament, two side up