Is My Stepbrother Is My Favorite Novelist!? coming back?

My Stepbrother Is My Favorite Novelist!? premiered on February 28, 2026, on YouTube. The series concluded on March 21, 2026, after its first season. It was a short-form romance series with episodes approximately 10 minutes long, and it aired over a span of just under a month.

The show was a romantic series that centered around Kei, a virgin novelist with no experience in dating, who unexpectedly found himself writing a BL novel. His seemingly inexperienced life took a turn when his devilish stepbrother, Kairi, appeared and offered to teach him about the thrills of romance. The story explored their interactions and the development of their relationship within a comedic and romantic context.

The show was presented on YouTube and consisted of a single season with four episodes. Its brief run and online format made it a compact story about romance and personal growth.