1girl, ass, bent_over, blue_archive, blue_shirt, blue_sky, blush, bottle, breasts, buruma, cube, gym_uniform, halo, long_hair, looking_at_viewer, official_alternate_costume, one_eye_closed, open_mouth, parted_bangs, purple_eyes, purple_hair, shirt, short_sleeves, sky, solo, thighs, tomoyuki_hino, two_side_up, water_bottle, yuuka_(blue_archive), yuuka_(track)_(blue_archive)