2girls, o, ;d, asymmetrical_docking, bikini, black_hair, blonde_hair, blue_bikini, blush, body_writing, breast_press, breasts, hair_ribbon, hand_on_another's_waist, inoue_takina, large_breasts, long_hair, lycoris_recoil, mibushiro, milestone_celebration, multiple_girls, navel, nishikigi_chisato, one_eye_closed, one_side_up, open_mouth, parted_lips, purple_eyes, red_eyes, red_ribbon, ribbon, short_hair, simple_background, smile, stomach, swimsuit, white_background, yellow_bikini