My Sister Stole My Mate And I Let Her (Seraphina) novel Chapter 437

Chapter 437: Chapter 437 BLONDE GUINEA PIG

CELESTE’S POV

I hadn’t had much experience with guilt, but I quickly learned that it had a way of surfacing when least expected, creeping in through cracks I hadn’t known existed.

Also, it had a face.

Olivia’s.

The dreams started the night I met Mireya.

She didn’t come to me the way I remembered her at the end—not broken, not bloodied, not collapsing under the weight of a choice that should never have been hers to make.

Olivia—alive, untouched by the way things had ended—appeared in fragments that didn’t feel like memories so much as reminders.

Not of what had happened, but of what hadn’t been finished.

All she’d wanted was to find her sister. She’d taken care of me because she thought I could help her reach that goal.

And I’d gotten her killed.

The least I could have done was fulfill her dying dream, right?

But even that, I couldn’t do.

It wasn’t me who found Mireya.

It had been Sera. The one person I had spent years resenting.

The one person I had convinced myself didn’t matter.

The one person who had taken everything from me—including the chance to fulfill Olivia’s dying wish.

As if I needed to be more at her mercy and in her debt than I already was.

No—I couldn’t handle it. I had to do something to separate myself from this pathetic persona that was becoming more and more familiar with each passing day.

So if paying Sera back meant sacrificing my mind...so be it.

Every eye in the clearing—Sera, Kieran, Alois, Corin, Aaron, and Imani—watched me with varying levels of wariness.

I stood firm and tall, determined not to shrink further than I already had.

Sera slowly rose to her feet, looking at me as if she wasn’t sure whether or not I was a hallucination.

“What are you doing here?” she asked, her tone wary.

I didn’t answer immediately. Part of me screamed to retract my words and leave before becoming an experiment for yet another woman with too much power she didn’t deserve.

But I straightened my spine and met Sera’s eyes.

“You need another subject,” I said simply. “Another of Catherine’s...victims.”

I hated referring to myself that way, but the more time passed, the more I realized that was exactly what I had been.

I had been nothing more to my so-called godmother than a blonde guinea pig.

My words didn’t seem to register at first; everyone was looking at me with identical stunned expressions.

Then what I said clicked.

I felt the tension ripple through them like a wave.

Kieran shifted closer to Sera. He looked like he expected me to lunge, claws—or nails, at least—bared.

Alois didn’t move at all, but his focus sharpened.

Corin’s eyes narrowed.

Imani looked between us, uncertainty written plainly across her face.

No one trusted this.

No one trusted me.

“No,” Kieran bit out.

I didn’t look at him, keeping my gaze on Sera. It still hurt to see both of them together. To know that he was yet another thing she’d taken from me.

“You said it yourself,” I continued. “You’re close, but can’t push further without understanding the barrier. If she put it in him, chances are she put it in me too.”

If not while I was in the Maldives, then maybe at some point in my childhood, because lately there had been fragments—sharp flashes of scenes and emotions that didn’t add up, surfacing without warning.

They were brief, vivid images: a hand in mine, laughter echoing across a sunlit lawn, the sense of safety—moments I couldn’t remember creating but that felt undeniably real.

Me and Sera playing in a sandbox in the garden.

Sera and I cuddled in bed as she read me stories.

Sera being my...best friend.

The more these fragments appeared—snatches of shared childhood and warmth—the less sense everything made.

For as long as I could remember, I’d resented my older sister, so these flashes threw me for a loop.

What had really happened?

Were those memories fake, or had they just been locked away?

What exactly had Catherine done?

I intended to find out.

“You think I’m going to experiment on you?” Sera asked, her voice growing colder.

‘You wouldn’t be the first,’ I thought bitterly.

“I think you need to practice without risking him,” I said, gesturing toward Aaron. “And right now, he can’t handle it.”

She hesitated, and I knew my words rang true.

“Why?” she asked.

My lips instinctively pressed together, as if my body itself resented the idea of spilling my guts to someone who already had so much power over me.

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