2girls, ass, aztodio, bare_arms, bare_legs, bare_shoulders, bikini, blue_bikini, blue_hair, blush, breasts, closed_mouth, diagonal_bangs, from_behind, genshin_impact, green_eyes, indoors, kujou_sara, large_breasts, looking_at_viewer, looking_back, mask, mask_on_head, multiple_girls, short_hair, smile, swimsuit, thighs, underboob, yelan_(genshin_impact), yellow_eyes