1boy, 1girl, o, barefoot, blonde_hair, blue_eyes, blue_pajamas, blush, brother_and_sister, brown_hair, eye_contact, grey_background, holding_hands, katarina_claes, keith_claes, kneeling, long_hair, looking_at_another, on_bed, otome_game_no_hametsu_flag_shika_nai_akuyaku_reijou_ni_tensei_shite_shimatta, pajamas, siblings, sidelocks, takatsuki_kahiro