In a lonely home without parents of any sort resides Keisuke surrounded by ten step sisters, all of which have the urge to get more intimate with their cute younger brother and they eventually suceed when Keisuke begins to realize their submissiveness.
as Hanamaru Kaoruko (voice) / Hanamaru Biwa (voice)
as Hanamaru Keisuke (voice)
as Hanamaru Anne (voice) / Hanamaru Ringo (voice)
as Hanamaru Kotona (voice) / Hanamaru Mikan (voice)
as Hanamaru Momoko (voice) / Hanamaru Rurith (voice)
as Hanamaru Remon (voice) / Hanamaru Tokiko (voice)
