2girls, aru_aru, blush, comic, ear_blush, embarrassed, green_eyes, green_hair, hair_ribbon, higurashi_no_naku_koro_ni, incest, long_hair, multiple_girls, necktie, ponytail, ribbon, school_uniform, siblings, sisters, sonozaki_mion, sonozaki_shion, st._lucia_academy_school_uniform, twincest, twins, whispering, yuri