2girls, arm_grab, bangs, bat_wings, bed_sheet, blanket, blonde_hair, blue_hair, blush, breasts, collarbone, eye_contact, eyebrows_visible_through_hair, from_side, grabbing, hand_up, happy_tears, incest, looking_at_another, lying, medium_breasts, multiple_girls, no_hat, no_headwear, nude, on_back, on_side, profile, red_eyes, short_hair, siblings, sisters, sketch, smile, tears, upper_body, wings, yuri