3girls, ^^^, ai-chan_(tawawa), arm_tattoo, ass_visible_through_thighs, bird, blue_theme, braid, breast_rest, breasts, demon_girl, demon_horns, diagram, getsuyoubi_no_tawawa, giant, giantess, himura_kiseki, holding, holding_staff, horns, jaw_drop, large_breasts, math, medium_hair, monochrome, multiple_girls, open_mouth, outdoors, pointy_ears, science, short_hair, staff, surprised, tattoo, tree, trembling, turn_pale, weighing_breasts, weighing_scale