I’m an Undead, So What’s Wrong with Raising a Fox-Eared Girl?

[One Heroine + Western Fantasy + White-Haired Fox-Eared Girl + Lord + Industrial-Strength Romance (It's all science and ruthless ingenuity, kid!)]

Mo Qin, a miserable office worker grinding through 996 workdays, suddenly dropped dead on his way home from work. When he opened his eyes again, he found himself reincarnated in a damp cave. But he wasn't a hero admired by everyone. Instead, he had become a monster, an undead creature that couldn't even beat a slime!

Guided by his golden finger System, he began his undead life. As his strength grew, he settled on an easygoing goal: build a dungeon of his own, then spend a carefree life with his fox-eared wife, doing whatever they pleased...