The manga Onii-chan wa Oshimai! ( ONIMAI: I'm Now Your Sister! ) by author Nekotofu anime adaptation announced.
Thus, Shingo Fujii is the series director at Studio Bind . Michiko Yokote (Shirobako) writes the scripts, with character design by Ryo Imamura .
Synopsis:
Mahiro Oyama was just a normal guy with a passion for erotic games… until he woke up one morning as a woman! It turns out his mad scientist little sister, Mihari, tried one of her new experiments on him… with disastrous results, as far as Mahiro is concerned! But Mihari is as determined to study him as he is to return to his closed-off, gaming life, and one thing's for sure… life is going to get a lot weirder from now on!
Finally, Nekotofu published Onii-chan wa Oshimai! through pixiv and other online venues. Nekotofu launched a serialization of the manga in Ichijinsha 's Comic Rex in April 2019. Ichijinsha will publish the manga's sixth compiled volume and its second anthology volume on the same day on April 27.
Additionally, Kodansha Comics released the 5th volume of the manga in English on March 22.