1girl, armpits, blue_sailor_collar, blue_sky, blush, border, breasts, brown_eyes, brown_hair, closed_mouth, crop_top, dot_nose, hairband, hano9789, hat, idolmaster, idolmaster_million_live!, idolmaster_million_live!_theater_days, long_hair, looking_at_viewer, medium_breasts, microphone, navel, outside_border, sailor_collar, sailor_hat, sailor_swimsuit_(idolmaster), sky, smile, solo, sparkle, speech_bubble, standing, stretching, sweat, tanaka_kotoha, waves, white_border