1boy, 1girl, at_computer, blush, cellphone, chinese_text, comic, crescent_moon, desk, ga320aaa, greyscale, holding, holding_phone, implied_masturbation, keyboard_(computer), long_hair, looking_at_object, lying, medium_hair, monitor, monochrome, moon, motion_lines, night, night_sky, nose_blush, on_side, original, phone, shirt, shorts, sitting, sky, smartphone, tissue, tissue_box