2boys, 2girls, d, asymmetrical_docking, blue_eyes, breast_press, breasts, grey_hair, hisakawa_hayate, hisakawa_nagi, idolmaster, idolmaster_cinderella_girls, jewelry, large_breasts, long_hair, looking_at_another, multiple_boys, multiple_girls, necklace, open_mouth, serebi_ryousangata, shirt, siblings, sisters, smile, speech_bubble, twins, white_shirt