In Vol 2, there are new magical elements and unexpected twists. The protagonist's skills and abilities also evolve in interesting ways. It's a real page-turner!
The art style probably contributes to its specialness. It might have beautiful and detailed illustrations that enhance the emotional impact of the story. The colors and the way the characters are drawn can bring out the emotions more vividly, whether it's the warm and fuzzy feelings of friendship or the deeper, more complex emotions like longing or regret.