1girl, alternate_costume, armpits, arms_up, ass, barefoot, black_pants, black_sports_bra, blue_archive, exercise, feet, halo, legs_up, midriff, pants, parted_bangs, ponpon_nun, purple_eyes, purple_hair, simple_background, sit-up, solo, sports_bra, stretching, sweat, trembling, white_background, yoga, yoga_pants, yuuka_(blue_archive)