ONIMAI: I'm Now Your Sister!

When lazy, erotic-game loving Mahiro Oyama is transformed into a girl by his younger scientist sister's experiments, he becomes determined to change back, only to recognize that with his new opportunity, he may want to turn his life around.

• 
  Marika Kouno

  Mahiro Oyama (voice)
• 
  Kaori Ishihara

  Mihari Oyama (voice)
• 
  Hisako Kanemoto

  Kaede Hozuki (voice)
• 
  Minami Tsuda

  Momiji Hozuki (voice)
• 
  Kana Yuuki

  Asahi Ohka (voice)
• 
  Natsumi Hioka

  Miyo Murosaki (voice)