"Popular Door" is a network term, which is more popular than popular. It is called "hot". Tiancheng Cai Yi is one of the characters in the mobile game "Idol Dream Sacrifice 2" and the captain of the "Alkaloids" group. He is called "hot" because of his enthusiasm, enthusiasm, outstanding appearance, high value and good popularity.
In "Idol Dream Sacrifice 2", Tiancheng Cai Yi came to the city in search of his brother Tiancheng Phosphorus Sound, and got to know Bai Niao Lanliang, Nisase Zhenxiao and Feng Zaoxun. Without knowing the idol world at all, he decided to become a new idol and set up the group "Alkaloids".