1boy, 1girl, =3, animal_ears, arms_behind_back, black_choker, blush, breasts, cat_ears, cat_tail, choker, comic, greyscale, indoors, large_breasts, long_sleeves, medium_hair, monochrome, original, shaded_face, short_hair, short_sleeves, smile, sparkle, sweat, tachibana_yuu_(yakitomato), tail, tail_wagging, takahashi_keita_(yakitomato), yakitomato