The First Book of Mountains and Rivers

The boy woke up and came to a strange world, and accidentally came to Gensokyo in order to start the system activation task. Should we break the routine of Gensokyo and involve them? Qianxun: "The choice is in their own hands. The most important thing is that I can't hide it." Chihiro, who had just returned to the main world, looked embarrassed when faced with Yakumo Murasaki's question. "Listen to my explanation, I really didn't sneak away to this world." "You smell like a strange and powerful person." A passing flower demon came forward and said, "And you're a woman." Qianxun: "..." (Note: The author's writing is really poor, please forgive me)