Oniichan Wa Oshimai! 9 Apr 2026

Volume 9 of Oniichan wa Oshimai! (ONIMAI: I'm Now Your Sister!) was released in Japan on September 27, 2024, and is scheduled for an English release on . Reviews highlight it as a "milestone" volume that shifts from purely episodic comedy to more significant character growth. 🗝️ Key Review Takeaways

Japanese reviewers on Amazon Japan specifically recommended the volume for its "generous amount" of tankōbon-exclusive bonus chapters not found in the original serialization. 📦 Special Edition Features Oniichan Wa Oshimai! 9 [Special Edition] - Playasia Oniichan wa Oshimai! 9

While maintaining its signature "cute girls doing cute things" vibe, the volume is praised for showing characters moving forward—specifically Kaede preparing for university entrance exams . Volume 9 of Oniichan wa Oshimai