Conflict Solved

Yerin nodded vigorously on her sister's words, tapping her chest proudly. "Which is precisely why Hearts suits me best! My Astral Soul governs Sound, Vocal Resonance, and Ethereal Magic! I'm literally a high-tier Area-of-Effect Mage."

Yoona gave an approving nod. "That is correct. Your soul signature falls right into the Mage category."

As I listened to Yoona break down the mechanics, a thought suddenly struck me. I turned my head, looking directly into Yoona's eyes.

"Wait a second, Yoona..." I said, tilting my head. "...you just mentioned earlier that you awakened your own Sovereign Deck, right?"

Yerin froze mid-bounce. She turned her head, looking at her twin sister with wide, bewildered dark eyes. "Wait... Unnie! If you already have your own Sovereign Deck... does that mean you aren't going to join Seth's deck?"