oyama mahiro, oyama mihari, tenkawa nayuta, and azuma chitose (onii-chan wa oshimai!) drawn by nekotoufu

... 6+girls :d @@ alternate_breast_size(larger) azuma_chitose breasts center_frills collared_shirt comic couch emphasis_lines faceless faceless_female flying_sweatdrops frills glasses greyscale hair_loss hair_ornament hair_over_one_eye hair_ribbon hairclip hand_to_own_mouth hand_up lab_coat large_breasts monochrome multiple_girls nekotoufu on_couch onii-chan_wa_oshimai! open_clothes oyama_mahiro oyama_mihari pointing ribbon semi-rimless_eyewear shirt sitting smile spoken_ellipsis tenkawa_nayuta translation_request turn_pale twintails under-rim_eyewear v-shaped_eyebrows wavy_mouth |_|