1girl, arm_behind_head, arm_up, armpits, belt, breasts, cleavage, covered_nipples, elbow_gloves, gloves, greyscale, hair_bun, hololive, houshou_marine, houshou_marine_(marching_band), light_blush, long_hair, looking_at_viewer, monochrome, nanashi_(nlo), navel, official_alternate_hair_length, official_alternate_hairstyle, outstretched_arm, see-through, see-through_cleavage, simple_background, single_side_bun, smile, solo, very_long_hair, virtual_youtuber