Shiro Buta Kizoku Desu Ga Zense No Kioku Ga Haeta Node Hiyoko Na Otōto Sodatemasu Manga !!top!! <PLUS • HONEST REVIEW>

Fantasy, Slice of Life, Reincarnation/Isekai, Family Drama, Comedy, Redemption

The protagonist, Regulus Fenrir Ainsworth , was once the reviled first son of a marquis family—overweight, arrogant, and stupid. After dying from overeating at a banquet, he reincarnates? No, he simply remembers : a previous life as Tanaka Kaito , a hardworking Japanese office worker who loved cooking, budgeting, and caring for his younger siblings. Here’s a solid, detailed write-up for the manga:

Here’s a solid, detailed write-up for the manga: From cooking homemade meals and teaching basic math

But as Luciel begins to smile and speak more, their parents grow suspicious. The engagement to a cruel noble girl looms. And someone from Regulus’s original “bad future” timeline seems to have noticed the changes… Here’s a solid

Using his past-life knowledge, Regulus makes a solemn vow: He’ll lose the “white pig” weight through proper nutrition and exercise, outmaneuver the scheming adults who want him dead, and—most importantly—raise Luciel into a strong, kind, and confident young man. From cooking homemade meals and teaching basic math to confronting abusive tutors and planting secret vegetable gardens, Regulus builds a quiet revolution inside the gilded cage of nobility.

Waking up at age 7, Regulus is horrified at the monster he was destined to become. More urgently, he finds his 4-year-old brother —a frail, silent boy nicknamed “Hiyoko” (chick) by servants for his yellow hair and trembling demeanor—locked in a dark storage room, bruised and forgotten by their cold noble parents.