1boy, 1girl, azur_lane, book, bookshelf, breasts, comic, commander_(azur_lane), ear_piercing, from_side, greyscale, hair_ornament, holding, holding_pen, horns, long_sleeves, mantou_yu, medium_breasts, medium_hair, monochrome, pen, piercing, speech_bubble, ulrich_von_hutten_(azur_lane)