Shiro Buta Kizoku desu ga Zense no Kioku ga Haeta node Hiyoko na Otōto Sodatemasu: A Heartwarming Tale of Redemption and Brotherhood

The story begins with a familiar isekai setup but quickly pivots into a unique narrative. The protagonist reincarnates into a fantasy world as a young noble boy named Kikujirou (often localized or referred to as Raul in various adaptations). Unfortunately, he inherits a body that fits the classic, derogatory anime trope of the "white pig noble"—overweight, short, unathletic, and historically destined for a miserable or villainous end.

The story began its journey in August 2018 on the novel publishing website Shōsetsuka ni Narō . Its breakout success led to a physical print acquisition by TO Books, featuring illustrations by the acclaimed artist keepout.

Instead of plotting against the child or fleeing the territory, Ageha takes a different route. Struck by how adorable and vulnerable the "chick-like" (hiyoko) baby brother is, Ageha succumbs to brotherly affection. Armed only with the cooking, sewing, and household management skills from his past life, Ageha resolves to shower Regulus with love, reform their family’s corrupt territory, and ensure they both survive to live peaceful lives. 👥 Key Characters and Cast

If you are exhausted by hyper-violent fantasy manga or overly dramatic romance plots, Shiro Buta Kizoku Desu ga Zense no Kioku ga Haeta node Hiyoko na Otōto Sodatemasu offers the perfect antidote. It is a masterclass in comfort reading, combining the best elements of Ascendance of a Bookworm (domestic crafting and economic growth) with the pure family fluff of Gakuen Babysitters .

The plot centers on , the five-year-old eldest son of a corrupt count in the Kiryuu Empire. At the start of the story, Ageha is overweight, neglected by his parents, and entirely friendless. Suddenly, he regains the memories of his past life as an adult Japanese man with multiple creative and domestic hobbies.

“Everyone says I’m the spare,” Celestin told her one afternoon, his small voice wobbling. They were sitting under the old oak tree, and he had his knees pulled up to his chest. “Papa says I should be grateful I wasn’t drowned at birth like they did in the old days.”

The core of the manga is the relationship between Ageha and Regulus. Readers on MangaPlaza and Reddit frequently praise the "undiluted cuteness" of the brothers and Ageha's unconditional love.