Toaru Majutsu no Index: Genesis Testament - Volume 5, Chapter 3: Welcome to a World Without the Goddess’s Protection – Difficulty_the_ABYSS.

“I’ll clear your mother’s debt entirely. In return, you’ll marry me.”“Are you out of your mind? Do you really think I’d agree to such an absurd proposal?”“Possibly. But it’s a mutually beneficial arrangement. You keep your shop, and I get what I need.”“And what exactly is it that you need?”“That’s none of your concern. All you need to know is that this deal benefits both of us.”Two years ago, Lunara entered a marriage she never wanted. Desperate to save her mother’s flower shop, she was cornered by Eryx, a man with a hidden agenda. With no other choice, she agreed, and found herself bound to him in a transaction of convenience—he needed something from her, and she needed him to prevent her world from falling apart.But after the papers were signed, he disappeared without a word, leaving her with nothing but unanswered questions and lingering bitterness.Now, fate has thrown them together once more but with a cruel twist, Eryx doesn’t remember her at all.Lunara believes she’s long since moved on. But when she sees him again, a stranger who has no recollection of their past, old wounds resurface. What was the truth behind their marriage? And why, despite the resentment, does her heart still stir when he’s near?

That day, the breath of the great whale dispersed the fog, and a new era arrived.Chen Qi accidentally transmigrated into the steampunk-apocalyptic game world of 'New Sun,' starting with the monstrous talent “Deep Sea Affinity,” where ancient deep-sea creatures saw him as one of their own.Although he possessed the talents of a monster, as a transmigrator, he still maintained the original intentions of humanity, striving to level up with the firm resolve to become a world-renowned Monster Hunter.Finally, after his relentless efforts, the popular Dove Times sharply commented:“From the ancient deep sea, a scoundrel with evil bloodlines who threatens witches with tentacles, the arrogant lone Emperor of the Fifth, who aims to conquer the Witch Sea!”False news, blatant false news!Even though he grew tentacles, threatened witches, raised sea dragons, collected tolls, and sang the death chorus with sea monsters.He was truly not of any Deep Sea Ancient God's bloodline but a dedicated and responsible Hunter.Chen Qi cut down the fleet before him and earnestly clarified.

This novel is also known as Almighty Video Game Designer

Chen Mo a game designer got sent to a parallel world with advance technology but undeveloped game concepts.

Watch as he redefines the world’s gaming industry with the games he remade from his old world.

- Description from Novelupdates

In the year 2220, a radiation source in the Pacific Ocean, tens of thousands of times stronger than a nuclear bomb has begun mutating exposed creatures into horrific monsters thousands of meters long. Mankind’s only hope was nuclear weapons, which only made matters worse. The combination of the natural radiation and nuclear radiation released an incurable and highly infectious virus, turning the 90% of the world’s population into violent zombies in mere weeks.