Marmalade Boy: Collector's Edition 2

Mikis life was pretty ordinary until the day her parents told her they were swapping spouses with another couple! Thanks to this unconventional arrangement, Miki not only gains two new step-parents, but a hot new step-brother, Yuu! At first Miki writes Yuu off as a total jerk, but as the two spend time together, Miki starts to fall for him. Can Miki sort out her complicated feelings for her Yuu?