1boy 1girl clearpop couple height_difference hug kami_nomi_zo_shiru_sekai katsuragi_keiichi katsuragi_mari long_hair monochrome sketch  age_difference baby brown_hair closed_eyes drooling eyes_closed faceless faceless_male family father_and_son glasses holding kami_nomi_zo_shiru_sekai katsuragi_keiichi katsuragi_keima katsuragi_mari long_hair mother_and_son semi-rimless_glasses sleeping smile  comic greyscale kami_nomi_zo_shiru_sekai katsuragi_keiichi katsuragi_mari monochrome translated translation_request