Description:

Oni Chichi 4 – When Kouzou Akizuki, the stepfather of two adolescent girls, announces a family holiday, his daughter Airi is quick to express her disdain for the idea. Eventually, though, she is brought around by her sister, Marina, who is looking forward to this opportunity to spend some romantic moments with their father. However, Marina will only join them a couple of days later, leaving Airi and Kouzou to their own devices.