"Eyaah~♡!"
"Senior Sister?"
Yino heard a strange, somewhat indelicate sound, quickly withdrew the formation, and looked back with a mix of surprise and concern.
But Yuyan was lying at the head of the bed, her face buried in a pillow, making it impossible to see her true expression.
Since she wasn't speaking, Yino didn't dare to continue the technique. The formation was meant to extract spiritual energy from Yuyan's dantian, but Yino was just following the game's instructions, trying it out for the first time. If Yuyan felt a sharp pain or something went wrong, he couldn't afford to take the responsibility.
"It's nothing... carry on..."
Noticing Yino's gaze on her, Yuyan spoke softly, wriggling a bit to adjust the pillow over her head, signaling that she was fine.
Seeing that she seemed okay, Yino went back to studying the formation.