C39 Underground Battle City

Wen Yuan looked around and was stunned. He suddenly realized a very serious problem. . . That was, he had no idea what the Underground War City was for.

Wen Yuan thought for a while and could only look at the counter on the left with fewer people. He walked over and asked one of the waitresses, "Hello, may I ask. . . What does the Underground War City do?"

The female attendant