The supporting character's harem is very normal - Chapter 432 Do you want to check?

Progression, magical cards, weak to strong, card reforging!The young, sickly Irwin has seen nothing but bad luck in his short life. When his brother finally returns with a magical card for him, his luck is about to change. But will it change for the better? Irwin is sent off together with another group of youths to placate a group of sorcerers. With just a weird utility card granted by his brother, he can only pray to stay alive long enough.[Has been updated with the rewrite of the first 27 chapters]This is a Card gathering story! Crafting is initially not the main focus, but as the story progresses, it becomes more and more important to the MC.Release schedule: [Fri/Sun] Roughly 22:00I am still a non-native English speaker (hard to change), so even with the edits and rewrites, you might find some oddities. Let me know, and I'll fix them right up.

To sum up in a sentence, *slag men **washing white daily, transmigrating to different worlds to wash white, and the goal is to become a good man!

Note:
*Slag men refer to men who play with women’s hearts aka scum.
**Washing white means to come clean, fix up your life.

- Description from Novelupdates

She was transmigrated into a novel where she became the cannon fodder who abused the male lead and ultimately suffered her demise under said male lead. And to return back home, she had to obtain the city boundary map first.

Ye Mu doesn’t want to play a game! Now that she’s inside the book with such a plot, the only way around her death is to kill the male lead first and let this world collapse!

However, upon seeing a scraggly, skinny little boy whose brows were full of perseverance, her hand won’t move…

Well then, she would subdue the male lead’s tyrannical tendencies! How to do it? Raise the male lead and have him help her find the city boundary map? That’s a good idea!

Despite raising him properly, the male lead seems to have grown into a devious man who won’t listen to her. Moreover, he lures her over with the city boundary map.

“Do you want this or not? Then come to my bed.”

Her face was full of tears. Where was the promised honest and upstanding monarch? Does she have to raise him all over again?

The man smiles and pats her on the head, “Come on, stop crying. Wash and go to bed.”

In the King’s game, the [King]’s order is absolute and has the power to create rules. As the owner of a special physique, Gu Huai was selected by the system to participate in the game.