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.
ONIMAI: I'm Now Your Sister! streams on cinevo in the best quality we can source for it, with subtitles in dozens of languages. Playback works in any modern browser on phones, tablets, laptops and smart TVs, and your position is remembered across devices.