!, 1boy, 3girls, 92m, blush, breasts, brother_and_sister, closed_mouth, comic, dateko, faceless, faceless_male, glasses, japanese_clothes, kakita_(92m), kimono, kinshi_no_ane, looking_at_another, medium_breasts, multiple_girls, original, otouto_(92m), pink-framed_eyewear, pink_eyes, red_hair, red_kimono, semi-rimless_eyewear, short_hair, siblings, sleeping, speech_bubble, spoken_exclamation_mark, under-rim_eyewear