The first promotional video for Shirohiyo - Reincarnated as a Neglected Noble: Raising My Baby Brother With Memories From My Past Life has been released, showcasing the upcoming fantasy series. The anime follows Ageha, the overweight and overlooked son of a count, who, despite his precarious position and the threat from his newly arrived brother, plans to raise the infant with knowledge from his past life.

Produced by Studio Comet, known for series like Slam Dunk and Ragnarok The Animation, Shirohiyo adapts the manga of the same name. The trailer highlights the series' blend of isekai reincarnation, childcare, and political intrigue within a fantasy setting that mixes Western and Asian cultural influences.

The series is slated for a Summer 2025 premiere and will run for 12 episodes. It promises a narrative centered on Ageha's efforts to protect his infant brother and navigate his own challenging circumstances using his reincarnated memories.