Blacksmith of the Apocalypse - Chapter 50 - 50. Becoming An Adventurer

A data loving young man from Earth has an accident which transports him to a dark land filled with terrifying creatures and magical powers. Fortunately for him, he has a Biological Assistance Chip to ease his path. However, things in this bizarre and strange world are not always as they seem, and, though it is a tremendous asset, the chip doesn’t always work as expected. With all of the crazy creatures and magical mayhem around him, one can only wonder what the future holds for this young man…

- Description from novelupdates

Transmigrated into the book as a cannon fodder female supporting role, the ex-wife of the male lead who hasn't divorced yet. Gu Fuqiao just wants to say no!

Once a week, Miyagi pays 5,000 yen to her classmate Sendai.

The 5,000 yen is to buy three hours of Sendai’s time, which gives the right for Miyagi to give her orders.

Miyagi is at the bottom of the school caste while Sendai is at the top. The two, who never crossed paths at school, spend time together after school under such a contract.

Miyagi’s orders are determined by her mood of the day, and Sendai cannot disobey.

One day after school…

Miyagi calls Sendai to her room and gives her an order that she usually does not give.

……………………………………………………………

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[Congratulations! You’ve unlocked the Dimensional Motel System.][First Mission: A runaway princess—hailed as the most beautiful in the land is being hunted by her step-mother. She was originally headed to the dwarves’ cottage, but the System has rerouted her to your motel instead.][Protect her. Win her trust. And if you manage to woe her, you’ll earn her Affection Points.][Bonus Mission: Sleep with her evil stepmother to unlock more reward]'What kind of weird mission is this? And why does this story sound way too familiar?'