1553 Book(s) Related to protagonist is to heroine as clothing is to

When the apocalypse came, I became one of the military's failed experiments—defective, useless, a waste of space who only knew how to fix machines.
My so-called brother Kane used the camp leader access I got for him to trade away the comms gear I nearly died to secure for a bottle of whiskey. He drained my bone marrow dry to keep me in the dark, then dumped me out in the wasteland to die.
After that, he pinned every bit of luxury and waste on me—
while my little sister didn't even have the medicine she needed to stay alive.
That night, dragging my crippled body behind me, I reached into the substation.
Kane, do you remember what kind of genes were in those five hundred milliliters of bone marrow?

Three years ago, I was the sole surviving legendary mage of Ash Valley. To fulfill my comrade's dying wish, I married into the Robert family, becoming a despised and bullied son-in-law . For three years, I endured torment and humiliation; my entire family treated me like trash . My wife handed me divorce papers , then accepted the marriage proposal of a nobleman. On my wedding day, I walked into the hall in old clothes, and everyone laughed, thinking I was crazy. Until I shattered all magic with a wave of my hand, my legendary presence overwhelming everyone present, the woman who had once despised me finally cried and asked me: Why did you lie to me?

When the apocalypse struck, my brother Leo didn't hesitate to choose the offshore sanctuary.
In our past life, faced with a choice between a powerful inland warlord commanding a massive army and a leader clinging to a solitary island, Leo snatched up the first option.
But when a zombie horde overran the mainland and defenses collapsed, he fled to my island for refuge.
Jealous of how well I was surviving the end of the world, he and our parents knocked me unconscious in the dead of night and threw me into the ocean to drown.
Now that I've been reborn, Leo immediately took our parents to the maritime base, leaving the "dangerous" mainland to me.
He thinks the ocean is a natural barrier that guarantees his safety, that he can sit back and relax while the world burns.
But there's one thing he doesn't know.
Zombies aren't just static, mindless walking dead—they evolve.
And when they do, that offshore sanctuary will become a floating hell with no way out.