Watch ONIMAI: I'm Now Your Sister! Online

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. Read More

Watch ONIMAI: I'm Now Your Sister! online. Featuring Marika Kouno and Kaori Ishihara, ONIMAI: I'm Now Your Sister! has 1 seasons and 12 episodes in total. It is available for streaming online in the UK on 1 services such as Microsoft Store. It is classified as Animation and Comedy genre series and the average rating across the web is 7.1. The TV series was filmed in Japan and was first aired on 2023. Read Less