What constellation do teenagers sing?

Cancer. According to the query of the novel Young Singer, we know that the young singer Lei is a cancer. "Song of Youth" is a new martial arts novel serialized in "Impossible World", written by Zhou Munan, which has been finished. The novel tells the story that Lei, a young boy from Leimen who just entered the Jianghu, meets the reclusive Prince Bleak. They are involved in court disputes together, help each other in intrigue, and finally become famous all over the world. Four young chivalrous men with strange life experiences are accompanied by tangled Jianghu stories all the way.