Synopsis: The Youngest Hides Way Too Much

While suffering as a child soldier‑mage on a brutal battlefield, the protagonist’s past‑life memories suddenly return, and he realizes he has been reincarnated into the novel A Sword Stuck in the Ruins—a war novel doomed to a catastrophic apocalypse ending. To avoid that terrible fate, he must stick close to “the hero” Leviathan Sebert and ensure he doesn’t die. “Mister, do you happen to need a youngest kid in your family?” After much back‑and‑forth, he succeeds in becoming the youngest member of the Duke Sebert household. But there are major complications: He’s a “mage,” a profession Leviathan despises He’s a deserter from the child‑soldier unit Due to a misunderstanding, his gender got swapped in the process If he’s discovered, he’ll be kicked out, so he must stay cautious and keep his secrets hidden… except this family won’t give him a moment’s peace. He’s already busy looking for ways to protect Leviathan, but first—time for strawberry cake! Yes, delicious! Northern Grand Duke household’s fluffy rabbit fairy‑nose‑booger: The Youngest Hides Way Too Much.