What are the protagonists surnamed Qin in the novel?

The first book "Ask Flying Sword", the protagonist is Qin Yun, and the starting point is Platinum God. I eat tomatoes, which is a brand-new masterpiece published by Starting Point. I cultivate immortals and seek them. My blood is free. I step on the lotus flower to wash the sword bone, and I shape the holy soul with virtual wind!

The second book "Stars Change" is about Qin Yu, and the author is that I eat tomatoes. Based on a huge world of truth cultivation, the novel tells the story of Qin Yu, the protagonist, who is unwilling to decline, strives to cultivate, overcomes the disadvantages of congenital deficiency, and steps onto a powerful road step by step, eventually becoming the master of the HarmonyOS system.

The third book "Super Master", with Qin Yu as the protagonist and Jiudenghao as the author, tells the story of an ordinary young man of 2 1 century who was accidentally inherited by Zhuge Liang's metaphysics before his death, and by chance he stepped onto the top of his physiognomy.

The fourth book, Yu Ling, with Qin Lie as the protagonist, tells the story of Qin Lie, a boy suffering from amnesia, who grew up and started a new journey with his childhood partner after experiencing all kinds of difficulties and obstacles.