OVA will soon be available on select digital outlets with a home video release to follow
They describe the series:
First released in 2007, these original video animations (OVAs) continue the adventures of youthful protagonists Chika, Miu, Matsuri, and Ana under the watchful eyes of Chika's big sister Nobue. With botched job applications, curious takes on play time, and (somewhat crude) trips to the public bath house, what adorable antics will the girls get up to this time?
Strawberry Marshmallow (OVA) will soon be available on select digital outlets with a home video release to follow.