Toaru Majutsu no Index - Volume 12, Chapter 2: What kind of penalty game? Pair_Contract.

He had crossed into the dark, ruthless Wizard World.Lucien found his system somewhat different from the usual golden finger.System upgrade points? Chip activation?None of these, but rather becoming a role model, transforming into a nurturing breeze:Teaching students knowledge, receiving advanced knowledge in return.Caring for and maintaining students, earning generous rewards.[Your student has mastered the Magic Potion “Kuru's Cough,” congratulations on acquiring the improved formula “Kuru's Cough - Enhanced”!][Your student has mastered witchcraft “Fireball,” congratulations on learning witchcraft “Greater Fireball”!][Your student has successfully crafted the wizard's tool “Pale Mask,” congratulations on acquiring the wizard tool’s manual “Revised Pale Mask”!]Initially, Lucien was resistant.But after experiencing what it was like to teach disciples and outdo them, Lucien felt he had completely transformed into the form of the master system.This thing, isn't it much more useful than something called Cheating Device?

“She's back, let's get a divorce.”After three years of secret marriage, he suggested divorce when she faced a family's crisis and was pregnant. He also turned a blind eye to her plea for help. Disappointed, she concealed her pregnancy and signed for divorce.She thought they would be strangers after the divorce, but her pregnancy was suddenly exposed.When he proposed remarriage, she angrily said, “I only want to keep the child with me, and if you want to see them, kneel down!”She thought he would give up when faced with difficulties, but she really underestimated his abilities.Soon, a video of him kneeling and begging for reconciliation was displayed throughout the day on the outdoor big screen in the most prosperous area of the city.

An ancient proverb from the Homo sapiens era once stated, “Light and darkness can never be united because they are natural enemies arranged since the creation of the universe.”The statement seems plausible, yet it may contain inaccuracies...——————————————Leon Kruger, a 22-year-old man counted among the three of humanity's heroes, is dispatched by the Holy Empire of Mankind to invade the territory of the Demon Empire—an enduring adversary of humanity for over 7000 years.Wielding the Great Holy Sword Zenith and commanding a legion of thousands of holy troops, he leads the raid on the Desert of Chaos, facing the elite armies of the Demon Race with unwavering valor.Even, he engaged in direct combat against the Demon Emperor, who was actively leading the war on behalf of the Demon Race!Unfortunately, he never foresaw that his offensive was a cunning scheme orchestrated by the Emperor of the Holy Empire.The emperor aimed to eliminate Leon, perceiving him as a threat to his position as the ruler.Furthermore, unbeknownst to him, he had been poisoned before setting out for war, leading to a catastrophic defeat at the hands of the Demon Emperor and resulting in his capture as a prisoner of the Demon Emperor.Envisaging torment at the hands of the notorious Demon Emperor after his capture, he was surprised to find that this foreseen ordeal did not come to pass!The Demon Emperor, unveiled as a remarkably beautiful woman, unexpectedly and without apparent cause, asked him to be responsible for abandoning their triplet daughters?!“Nani! Since when did I have triplet daughters with you, smelly demon woman?!”Not only that, Leon gradually realized that an increasing number of women were approaching him to claim the love debts he had unwittingly accumulated in his youth.“Wait! Hold on! Please be gentle! Both my kidneys are nearly tapped out!”

During this chaotic era, the darkness engulfs all.
In a struggle of fire and death, despair shrouds the continent.
The line between fantasy and reality becomes blurred as a speckle of starlight penetrates the night sky.
But is it enough to reverse the downfall and fate? To regain the lost glory?

Rhode is a famed player in the game “Dragon Soul Continent”. There, he leads the strongest player guild in the game, the Starlight Guild. Just as he defeats the last BOSS, the Void Dragon, he unexpectedly awoke in a world identical to the game.

As the Summoner Swordsman returns to the continent, waves will be cast in the rivers of fate. Can he face the coming chaos and avert the destruction of the continent?

- Description from Novelupdates