Transmigrating as an Extra, But the Heroine Has Regressed?! - Chapter 12: Foundation!

My sick sibling died so my usefulness is over. With that I choose to die, but I became a villainess in a third-rate novel?! In face of miserable end, I thought I can end this troublesome life with my own hands… But why do they keep trying to save me? “Don’t take your partner status from me, Selina.” “Can you dare to be greedy?” My life is getting better and better, and the day I will die is coming. What should I do?

Karl Adelheit, a self-proclaimed ordinary student returning from military service.

And a nobleman who enlisted as a soldier and received Medals of Honor.

System: You are now a lowly male supporting role, a passerby who wants to go offline at any time, please keep secretly and grow vulgarly.
Shi Yan: Very good, thank you for your suggestion.
The first world: Shi Yan, as a little prince born in a cold palace, made himself an emperor.
The original male and female protagonists, under his witness, became grudge couples.
The second world: Shi Yan, as the youngest son of the princess who died tragically, made himself a powerful minister over ten thousand people.
The original male and female protagonists, under his witness, became grudge couples.
The nth world: Shi Yan, as a genius in the world of comprehension, has made himself the number one powerhouse in the Three Realms.
The original male and female protagonists, under his witness, became grudge couples.
The system feels that something is wrong.
Shi Yan instead persuaded him: Let the male and female protagonists come together in the end no matter what the circumstances are, isn’t it the self-cultivation of the tool man and the male partner?

Content tags: Kuaichuan Shuangwen Metaphysics
Search keywords: Protagonist: Shi Yan ┃ Supporting role: ┃ Others:
One sentence introduction: The male partner is beautiful alone
Purpose: strong heart, unmoved by wind and rain

- Description from novelbuddy

Reiji Tsukishima never believed in chasing after something he couldn't have—until he met Aoi Fujikawa. Calm, composed, and always in control, Reiji found himself drawn to Aoi’s warmth and kindness. The only problem? She was already in a relationship—with another girl, Sena Tachibana.From the very start, Reiji and Sena clashed. Their personalities, values, and even the way they looked at Aoi put them at odds. He made it clear—he liked Aoi. And Sena? She wasn’t about to let some guy disrupt their relationship.But fate had other plans.Despite their rivalry, Reiji and Sena kept crossing paths, their conversations sharper than knives yet laced with something neither wanted to acknowledge. Over time, they found themselves entangled in something deeper—something neither of them expected. A connection that rivaled the very love they were trying to protect.As emotions shift and tensions rise, Aoi remains unaware of the growing bond between the two people she loves the most. But when the truth finally comes to light, all three must face a question with no simple answer—can love truly be shared, or must someone be left behind?A slow-burn romance of deep emotions, unexpected confessions, and a love that defies the norm—this is *Unraveled Ties.*---