Transmigrated into the Best Friend of the Female Supporting Character in the 1960s

The main story and all bonus chapters are complete.

Coming soon: The Villainess Transmigrates as a Cannon Fodder [Quick Transmigration], The Sixties' Little Widow, and Starting a Food Business in the Nineties

Yu Xiao, a college junior in the 21st century, transmigrates into the best friend of a reborn supporting character from the late 1960s. The supporting character is wicked, but treats her friend extremely well. Yu Xiao doesn't want to get caught up in a war between a transmigrated-into-a-book heroine and a reborn supporting character. Because of her deal with the original owner, she has no choice but to work hard to pick up the supporting character's intelligence.

When Yu Xiao arrives, the original owner is about to be sent to the countryside. Her father has died, and she moved with her mother when the latter remarried. Now she is being sent to the countryside in place of a child from her stepfather's family, and her ending is tragic. Neither the reborn supporting character nor Yu Xiao has a good outcome. Since Yu Xiao has transmigrated here, she decides to squeeze a hefty sum out of her stepfather's family before she leaves for the countryside.

Content warning: The heroine has a System! (The original owner awakens to her NPC consciousness and becomes a System, bringing the heroine, who died in the real world, to this world.)

Recommended romance by my friend Shendian Jisi: After Transmigrating as a Fake Heiress and Playboy, She Only Wants a Career. The fishpond is closed! I only love money!

Theme: Be happy every day!