I Contracted the Bald Demon King, and My Wife Is Tornado and Blizzard

This is a world under invasion by monsters. All kinds of powerful and terrifying creatures threaten humanity's safety at every moment. Fortunately, there is always a way forward. Mysterious meteorites fell from the sky, and anyone who came into contact with one could choose a hero to form a contract with. Once the contract was complete, they gained that hero's innate abilities, became powerful, and could turn the tables on the monsters. After being reborn, Chen Ze was astonished to discover that these so-called heroes were all characters from the anime One-Punch Man! Everyone else was thinking about how to contract an S-Class hero from the Hero Association or one of the powerful monsters from the Monster Association. He alone knew that none of those characters could compare to the guy known as the “Bald Demon King” and the “Bald-Caped Hero”! So, at the hero-contracting ceremony, while everyone else looked down on C-Class heroes and on Saitama, the Bald Demon King, and set their sights on B-Class, A-Class, or even S-Class heroes, Chen Ze resolutely chose to contract with the Bald Demon King, Saitama! To his surprise, his choice drew ridicule from everyone! “Haha, this idiot actually picked a C-Class hero's talent.” “A C-Class hero? He can't even beat an ordinary soldier in an exoskeleton. Is this guy's brain broken?” “Another hardheaded fool who thinks he'll find gold in the C-Class hero pool, that toilet bowl of a pool. He'd be better off contracting with a monster...” Faced with everyone's mockery, Chen Ze offered no explanation or retort. He simply kept training in silence. Until three years later. He went bald...