Oniichan Wa Oshimai! (uncensored) Episode 8 -

The episode reveals that when Asahi and Momiji first met, Asahi actually thought Momiji was a boy.

The uncensored (AT-X) version removes these stickers and reduces the steam, showing more detail, though it remains within the realm of "fanservice" rather than adult content. Manga Adaptation List of Onimai: I'm Now Your Sister! Episodes Oniichan wa Oshimai! (Uncensored) Episode 8

While there is no "18+" version of the show, there are distinct differences between the version (like on Crunchyroll) and the AT-X/Blu-ray versions: The episode reveals that when Asahi and Momiji

The standard broadcast version often uses "Bunta stickers" (cat icons) or extra steam to cover nudity during bath scenes. showing more detail