Toaru Majutsu no Index: New Testament - Volume 15, Chapter 1: Confrontation, or New Days — Turn_a_New-Leaf.

Wu Lai was an ordinary high school student. One day he was struck by a flash of lightning from a different world, and suddenly entered a fantastic world full of magic and swords. Since then, he started a totally new life. In this supernatural world, he had his ups and downs, experienced numerous battles, subdued powerful evil beasts, and fell in love with a belle. His nickname “Demon King” was remembered throughout the ages there.

Stay or return was a question. In the face of this choice, Wu Lai, with the nostalgia and gratefulness for the original world, finally chose to stay…

Here was the legend of “Demon King”…

- Description from Novelupdates

Knowing she married a wrong guy, what would she do to deal with the subsequent marriage lives?

In order to pay for her brother’s medical expenses, she had to replace her own sister to marry the rich family's elder son . She always thought she was married to the elder one, but she did not know her husband was nominally the younger son He Yi Ning.

He Yi Ning, the real heir of the rich family, the ruthless business emperor, the ruthless workplace tyrant, and her sister’s dreaming husband. When she found out that the person who married her was He Yi Ning, she stunned and asked, “Shouldn’t i be your sister-in-law?” He smiled charmingly: “Are you unhappy with your husband?”

Zhou Yanci, who was blessed by the heavenly official, in this life, only wants to let himself go.

Whoever blocks it, whoever it is!

  Delicate daughters want to counterattack, and smart girls are much happier.

Xianggong: The lady has turned black, the husband is so scared!

  Your town house expert has brought the aura of Hongfu Qitian to the hot line.

- Description from novelbuddy