1girl, alternate_costume, azur_lane, bismarck_(azur_lane), black_garter_straps, black_skirt, black_thighhighs, blonde_hair, blue_eyes, breasts, chalkboard, classroom, collared_shirt, desk, diagonal-striped_necktie, garter_straps, german_text, hair_between_eyes, hair_ornament, hairpin, heart, huge_breasts, indoors, jewelry, long_hair, looking_at_viewer, loose_necktie, manjuu_(azur_lane), miniskirt, necktie, on_desk, partially_unbuttoned, pen, pleated_skirt, red_necktie, ring, school_uniform, shirt, sitting, sitting_on_desk, skirt, solo, thighhighs, tina_(tinafya), very_long_hair, wedding_ring, white_shirt, zettai_ryouiki