3girls, bare_shoulders, blush, breast_envy, breasts, brown_eyes, chibi, chibi_inset, cleavage, closed_eyes, collarbone, idolmaster, idolmaster_million_live!, idolmaster_million_live!_theater_days, kamille_(vcx68), kisaragi_chihaya, large_breasts, makabe_mizuki, multiple_girls, naked_towel, onsen, petals, purple_hair, rose_petals, short_hair, smile, towel, toyokawa_fuka, water, wavy_hair