Page 1: Regulus gasps awake, drool on his pillow, stomach growling. He hears a servant whisper, “The piglet is awake.” Page 5: He wanders the manor at night, following a tiny whimper. Opens a broom closet. Luciel curls inside, knees to chest, dried tear tracks on his face. Final panel: Regulus, eyes wide with horror and memory, whispers: “I did this last time. No. Not again.” He holds out a slightly trembling hand. “Let’s run away together. Just to the kitchen first.”

A selfish, despised noble known as the “White Pig” for his gluttony and cruelty dies in disgrace—only to wake up as a child again, memories of a past life flooding back. Now armed with the wisdom of a former modern-day Japanese citizen, he must raise his timid, neglected younger brother from a life of abuse and prepare him for a future where their family’s ruin is all but certain.

Here’s a solid, detailed write-up for the manga:

Fans of Ascendance of a Bookworm , The Savior’s Book Café in Another World , My Next Life as a Villainess , and anyone who loves “found family” + “raising a child” plots with a realistic, heartfelt edge.

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.