arch a4, doodle sensei (blue archive), sensei (blue archive), yuuka (blue archive), blue archive, absurdres, commentary, highres, 1girl, arm strap, arm up, armpits, bare shoulders, belt, bikini, blue bikini, blue eyes, breasts, cellphone, cleavage, hair between eyes, hair ornament, halo, hammock, holding, holding phone, id card, lanyard, large breasts, long hair, looking at viewer, multicolored bikini, navel, open mouth, phone, purple hair, raised eyebrow, sitting, smartphone, solo, stomach, string bikini, swimsuit, thigh belt, thigh strap, thighs, two-tone bikini, two side up, v-shaped eyebrows, very long hair, viewfinder, wet