1boy, 1girl, o, arm_under_breasts, blue_hair, blush, breasts, brown_eyes, button_gap, classroom, cleavage, collared_shirt, dress_shirt, hair_between_eyes, hand_on_own_cheek, hand_on_own_face, holding, holding_pen, indoors, itohana, large_breasts, long_hair, looking_at_viewer, open_mouth, original, pen, pov, shirt, solo_focus, steaming_body, sweat, v-shaped_eyebrows, writing