How many women signed up for the opening ceremony?

Two.

1. According to the query of Himalayan official website, there are two female hosts, namely Jiang and Jiang, in The Opening Sign-in of Ancient Eucharist.

2. The Opening Sign-in of Ancient Eucharist tells the story of Jun Daoyao, the protagonist, crossing the fantasy world and becoming the son of a wild ancient family. He has an invincible background and amazing talent, and even got the sign-in system, and he began to sign in for a great ancient Eucharist.