Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 17 - Chapter 17-6. To Realm of Gods 2

Zhang Gong decides to learn light magic, a magic few show interest in and eventually becomes the legendary Grand Magister. While trying to end the continent’s east and west separation in order to unite all of the different races, he becomes every race’s Child of Light.

Cosplayer Liu Mang accidentally crosses through time and arrived at the Eastern Han Dynasty wearing Aries Gold Cloth. (Saint Seiya!) He arrived on top of the walls of XiaPi right when it was about to fall to Cao Cao.

Li Qiao, a soft and glutinous girl, dresses up as the little daughter-in-law of a poor family.

Rural household registration, two dilapidated houses.

What she didn’t know was that her husband, who was not stingy at home, would become a business tycoon in the future, possessing supreme status and untold wealth.

What’s more, she didn’t know that the reborn step-sister was determined to take her place as the rich wife.

The step-sister is often persuaded to leave: brother-in-law drinks and fights, and is not good enough for you.

Li Qiao is irritable every day: He said he deserves me to death.

The step-sister added: He is too poor, you and your children suffer hardships with him.

Li Qiao blushed: He said that it is difficult to divide a child unless there is another one.

stepsister: …

- Description from novelbuddy

King Grey has unrivaled strength, wealth, and prestige in a world governed by martial ability. However, solitude lingers closely behind those with great power. Beneath the glamorous exterior of a powerful king lurks the shell of man, devoid of purpose and will. 

Reincarnated into a new world filled with magic and monsters, the king has a second chance to relive his life. Correcting the mistakes of his past will not be his only challenge, however. Underneath the peace and prosperity of the new world is an undercurrent threatening to destroy everything he has worked for, questioning his role and reason for being born again.