Upon hearing Qin Xiao's words, Yoko Okino frowned, gently tapped her chin with her slender, fair fingers, and fell into deep thought.
After thinking for a moment, she still couldn't figure out what could possibly be hidden inside. With a frustrated shake of her head, she walked over to Qin Xiao.
"Qin-kun! I really can't guess what's hidden in there! Just tell me already, don't keep making me guess."
Chapter 728