After the event, they all had a strange feeling in their hearts.
In a way, they could say that they survived because of Davis.
It was because they came to find Davis that they stayed near Davis' room.
It was because they stayed near Davis' room that Angelina invited them into the library and avoided the fatal explosion.
Their realms were not high, and if they had been hit by the explosion, they would have died.
Hence, they told Angelina everything they knew about Davis afterwards.
This included the fact that they had snuck into Davis' room to find him.
However, by that time, Davis had disappeared.
Almost no one had seen what happened when Davis disappeared.
However, a petite angel hesitated for a moment before telling Angelina the secret she saw.
"At that time, I heard Davis and Lilia talking about the master-servant contract..."