1boy, 1girl, animal_ears, bare_shoulders, bell, black_hair, blue_shirt, blush, breasts, brown_hair, cat_ears, cleavage, closed_mouth, collarbone, dress, faceless, faceless_male, girls'_frontline, girls'_frontline_neural_cloud, glass, glasses, gloves, head_on_another's_shoulder, lab_coat, lace, large_breasts, male_professor_(neural_cloud), moran_(pixiv27824646), neck_bell, official_alternate_costume, persicaria_(besotted_evernight)_(neural_cloud), persicaria_(neural_cloud), professor_(neural_cloud), shirt, single_glove, sitting, sleeping, white_background