1girl, arms_up, beach, blue_sky, brown_hair, cameltoe, cloud, day, honokakao, idolmaster, idolmaster_million_live!, idolmaster_million_live!_theater_days, jumping, midriff_peek, nagayoshi_subaru, navel, ocean, open_mouth, outdoors, panties, pantyshot, pleated_skirt, red_eyes, school_uniform, serafuku, short_hair, skirt, sky, smile, solo, splashing, sun, underwear, water, white_panties, wind, wind_lift