Junna Gyumaki performing in My Little Is A JK But Her Tits Are Filled With Breast Milk! Starring Jyunna Gyumaki. (sms00076, SMS-076). This movie is about Relatives, Featured Actress, Sister, Breast Milk, Hi-Def: VIDEO ON DEMAND: ADULT MOVIES. This movie was released in Japan on May 11, 2015. Movie duration is 121 min.