He did not hand it to her immediately, but instead gently caressed the book cover, as if with some reluctance: "This book is most suitable for you at the moment; you should practice diligently. I will keep a close eye on you."
Looking at his action, there seems to be a story behind it! She suddenly asked, "Whose book was this originally?" Such fussy gestures were rare for him; her female intuition told her there was something questionable about the origin of this book.
"A gift from an old friend." He still did not elaborate.
The suspicion deepened. She suppressed the doubts in her heart, took the book and flipped through it. Indeed, the booklet was very thin, only fifteen pages. The protagonist was a graceful woman who performed a different pose on each page, with small annotations in the bottom left corner of each page.