b suke, akizuki ritsuko, kikuchi makoto, kisaragi chihaya, idolmaster, idolmaster (classic), idolmaster 1, commentary request, 3girls, alternate breast size (larger), antenna hair, bent over, black eyes, black hair, black sports bra, blue hair, bottle, braid, breasts, brown hair, hands on own knees, holding, holding bottle, jacket, large breasts, long hair, multiple girls, short-sleeved jacket, short hair, short sleeves, small breasts, sports bra, sweat, towel, towel around neck, track jacket, track suit, water bottle, wiping mouth, wristband