Inside the Cave of Obscenity - Chapter Volume 1 6: Knights 1

The older sister flees from her wedding to be with her lover, and her younger sister is forced to take her place in marrying a very powerful man.

—

As luck would have it, she ends up transmigrating into the body of that younger sister.

Although the man that she weds is very powerful, he’s the irredeemable final villain.

All villains are doomed to a bleak ending. And, as this villain’s wife, she’s afraid that her ending won’t be good either.

Fortunately, the older sister had gone back in time after having experienced a lifetime of suffering. This prodigal daughter returns to the turning point of her life. Pointing at her younger sister, she demands for her younger sister to hand over her husband.

Looking at this beautifully crying older sister, Ye Zhen swiftly yields and says, “Older sister, don’t worry. I haven’t even done anything with brother-in-law!”

—

To her shock, she later discovers that she’s pregnant.

With tears in her eyes, her older sister says, “Didn’t you say that nothing happened between the two of you?”

—

Ye Zhen looks at the great villain that doggedly pursues her. She is utterly and totally doomed.

—

There’s a great villain lying next to her, and she’s pregnant with a mini villain. How’s she suppose to survive?!

—

Later on, as Ye Zhen watches the great villain putting the baby down and changing the diaper, she sighs. “There’s nothing that can be done. I’ve already missed the golden opportunity to turn things around. How can I leave now?”

- Description from novelupdates

She was drugged by her ex-boyfriend and had her first night with a mysterious man.

“I only want you, Theia. Always have always will and this shall never change. How could I ever want another when I possess the one I solely exist for?”“Phobos,” I call his name fondly a need to hug him and breathe in his calming scent surfaces.“I do not wish to treat you like you are made of glass because you aren't. Your body was made for me and it can handle everything I choose to give it. And this I will prove it to you.”“When?” I ask breathlessly as he ultimately turns around to meet my curious eyes. Golden rings outline his irises his beast announcing his presence and they stand as one before me. A wicked smile paints his face with a flash of canine displayed to me. A promise he gives that I will be ruthlessly devoured.“When I fuck you senseless.”~~~After years of excruciating loneliness, Phobos approached me. A frightening beast, my soulmate who emerged from within the bounds of a ruthless thundering storm. The male I yearned for. He caught me off guard and I was under the spell he cast through his ocean eyes. A spell I couldn't defeat and that very moment I knew I was in trouble. The second our eyes met I knew he would bring me endless heartache.We were childhood friends, him and I. Phobos the gentle and playful juvenile I grew up with and looked up to as a pup vanished and was replaced by a cold-hearted barbarian, he terrified me as he killed many with a blink of his eyes. No regret, no concern his beast often in control surging forward consuming his senses. They were equals.How can I connect with a beast like him? How could I make him call me his? How can I love my childhood friend who has become a merciless monster?

Kuramoto Daisuke, a freshman in High School was suddenly exposed to someone vanishing in front of him. Turns out he was admitted to a Special Class full of Isekai Heroes that were regularly summoned to Otherworlds since the start of their Middle School. He was told that he was to become their Support to prevent each of the Heroes' fate of dying in the world they were summoned into. Though mediocre, he realized that his ability has a great potential but it needs a lot of hard work on his part.

Unconvinced of being just the Support Character, he vowed to excavate his mediocre ability, all the while supporting the Heroes using it.

And maybe more.