Start in DxD as Motohama: Leveling Up in Another World - Chapter 10: Another World (I)

“Impossible… Why are you not following my orders!? Clearly I sucked your blood, why!?”

On the very first day of high school, the youth subscribing to the philosophy of “absolutely ordinary everyday life,” Kujou Hisui, encountered disaster head on: He was attacked by Rushella Daamu Draculea, the vampire who had lost her memory. Rushella was greatly intrigued to find her vampire powers ineffective against Hisui. Not only did she make Hisui’s home her own, she even enrolled in his school to stick to him–

Hisui had no choice but to help Rushella regain her memory. But before one crisis could be resolved, many more had risen. With tempting advances from the mysterious Sudou Mei, and kidnapped by the girl from the Supernatural Investigations Section in search of Rushella, Hisui’s ordinary life has been replaced by its complete opposite, drama–

Romantic comedy and supernatural action in a school setting!

The Prince of Su Wang, Chu Ba Ning is not famous because of his great status and power, but because legend has it that whoever becomes his wife will be cursed to death, with no children to inherit his fortunes.

Ever since the Emperor betrothed Lu Shao Qi to Chu Ba Ning, everyone had predicted that she will not be living any longer. Even the biggest casino in the capital city would gamble and bet how she would die. The side-concubines gifted to the Prince of Su Wang would also cry and kneel to the ground to hug Lu Shao Qi’s legs, begging for her to not drag them to death with her.

Lu Shao Qi complains: Heavens! Is it easy to find a virtuous wife like me? Such a fortune and you don’t know how to appreciate it!

—

This is a story about a modern girl who sets a goal to become a virtuous wife after being reborn into an ancient era. But she later discovers that her husband, the prince has OCD and has rumours of being cursed to be wifeless and have no children. As a result, our female lead is accused of being a controlling wife and she has no way out now.

- Description from Novelupdates

A soul is reborn in Ancient Greece as the twin brother of Herakles(Hercules).This is an age of myths, monsters and gods.After a betrayal that sets Iphicles on a path of vengeance, his name will become synonymous with divine defiance. Gods, Demons, Monsters...he cares not. All will fall at the hands of the Demi-god Twin.

In short: an old lover gave me a little piglet.

Qin Zhuopu, a workaholic, has been single for many years. As he reaches middle age, his family is desperate for a child.

Until one day…

“Mr. Qin, your son is already in primary school!”

“???” I have only had one boyfriend!

Seven years after the breakup, the old lover returned to the wealthy family with a little fat pig in his arms: “Zaizai is a big eater, I can’t feed him. Zaizai’s primary school homework is too difficult, I can’t do it. I’ll give you guardianship from now on! Will you let me go to your construction site to move bricks? Son, say ‘Mommy’!”

Mr. Qin: (No, I couldn’t give birth to such a fat kid!)

Later…

Onlookers: I heard that Mr. Qin has adopted an illegitimate child born to his old lover by some woman?

Mr. Qin: Let me introduce to you, this is my own cub!

- Description from Novelupdates