2girls, backlighting, bat_wings, blonde_hair, blurry, blurry_background, brick_wall, closed_mouth, crystal, depth_of_field, eye_contact, flandre_scarlet, flat_chest, flower, from_side, grabbing_another's_arm, half-closed_eyes, hat, incest, light_smile, looking_at_another, mob_cap, mountainous_horizon, multiple_girls, profile, purple_hair, red_eyes, red_flower, red_rose, reito_(lyra-yasao-0628), remilia_scarlet, rose, short_hair, siblings, sisters, surprised, touhou, water, wings, yuri