1boy, 1girl, d, adapted_costume, ascot, bangom_r, belt, black_leotard, black_thighhighs, bra, breasts, cleavage, covered_navel, gloves, hair_ribbon, heterochromia, hololive, houshou_marine, houshou_marine_(1st_costume), large_breasts, leotard, long_hair, looking_at_viewer, open_mouth, pov, pov_hands, red_ascot, red_belt, red_bra, red_eyes, red_hair, red_ribbon, ribbon, see-through, see-through_cleavage, smile, solo_focus, thighhighs, thighs, twintails, underwear, v-shaped_eyebrows, virtual_youtuber, white_gloves, yellow_eyes