2girls, @_@, armpit_crease, bare_shoulders, black_dress, blood, blue_hair, blue_ribbon, blunt_bangs, blush, detached_sleeves, dress, facing_another, forced_kiss, hair_ribbon, holding_another's_arm, hug, incest, kiss, kotonoha_akane, kotonoha_aoi, long_hair, looking_at_another, multiple_girls, nosebleed, pink_hair, red_eyes, red_ribbon, ribbon, siblings, sidelocks, simple_background, sireia_round, sisters, sleeveless, sleeveless_dress, tearing_up, voiceroid, white_background, white_dress, wide-eyed, wide_sleeves, yuri