1girl, d, ass_visible_through_thighs, bikini, brown_eyes, brown_hair, feet_out_of_frame, flat_chest, forehead, frilled_bikini, frills, hair_bun, hand_on_own_thigh, karakai_jouzu_no_takagi-san, leaning_forward, looking_at_viewer, open_mouth, parted_bangs, pink_bikini, single_hair_bun, sky, smile, solo, splashing, sukoburu80, swimsuit, takagi-san, water_drop