Kyoudai☆Henshin Nau +α de Ni!

The plant was meant to be thrown away, and the incident was supposed to end there...or so it seemed. Mio: "No way, I won't let it stop here☆" Mio brought the plant she'd secretly cultivated along when she and her brother headed to the countryside for a memorial service. There, they meet a young cousin they haven't seen in years. While the adults are occupied, the three cousins have plenty of free time. But Mio has something special—that plant. And during the latter half of summer vacation, a bizarre and twisted transformation game begins.