Ei held the katana in her hand, her expression somewhat puzzled. The usually stern expression was replaced by a slight blush, and the corners of her eyes revealed a hint of confusion. A strand of hair fell, adding a touch of charm.

"Umm... This..." I held the katana, my gaze involuntarily drifting towards my chest. "Why did it suddenly become like this...?"

Ei muttered softly, her cheeks turning even redder. It seemed that even she wasn't accustomed to this sudden change.