Vivian's exclusive lesbian unit, the Vivians! The fifth installment has a completely different vibe! In response to the fervent requests of their fans, the two of them take on a full-scale "gangster" drama for the first time! Their usual free-spirited private sex is completely sealed away! They get fully into their roles, and a new side of them emerges in a serious battle with no laughter! They also use strap-ons for the first time!