Hearing Feng Lingyue's words, Chao Zhiyun half believed and half doubted, holding his head high, asked Feng Lingyue.
"What's fast to learn and what instruments are suitable for me?"
"whistle." Feng Lingyue answered Chao Zhiyun solemnly.
Hearing the words of Feng Lingyue, I saw that Chao Zhiyun...