Protagonist?Antagonist? I Reject Both - Chapter 394 -

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates

Ye Han was reborn into a parallel world and participated in the challenge program [365 Days of Wilderness Survival] jointly organized by the world. At the beginning, he got a BUFF bonus with a lucky value of 9999. With his little cook, Ye Han started a shocking journey of survival in the wilderness.

When the other players were hungry, Ye Han had already eaten seafood. When the other players had no fixed place to live, Ye Han had already built a wooden house. When the other players were precarious, Ye Han was drinking tea in his manor. Ye Han: No way, my luck is 100 million points.

- Description from novelbuddy

Liu Man transmigrated from thousands of years ago to the modern world. Before she transmigrated, she was completely broke. After she transmigrated, she was still worried about her wealth. And so, for her to survive, she decided to start earning money by becoming a cyber star: trading and selling products, recording daily activities with her kittens, and showing off bits of her skills. One day she realized, that unconsciously, she had become one of the most famous celebrities.