3d background, cgi, creatures, debris, effects, explosions, fabric, fire, hair, liquid, rotation, smears, smoke, tetsuya takeuchi, yuri seijin naoko-san, yuri seijin naoko-san (2012), school uniform, multiple girls, classroom, skirt, indoors, desk, buruma, 6+girls, bent over, black hair, chalkboard, gym uniform, tokisadame school uniform, uwabaki, red skirt, 1boy