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

!? 5girls :d ? alternate_breast_size_(larger) azuma_chitose blush breasts center_frills closed_eyes closed_mouth collared_shirt comic dress emphasis_lines flying_sweatdrops frills glasses greyscale hair_ornament hair_over_one_eye hair_ribbon hairclip lab_coat large_breasts monochrome multiple_girls nekotoufu onii-chan_wa_oshimai! open_clothes oyama_mahiro oyama_mihari ribbon seiza semi-rimless_eyewear shirt sitting skirt small_sweatdrop smile spoken_interrobang sweat translation_request twintails under-rim_eyewear v-shaped_eyebrows