When did Lu Yi first call this summer?

Episode 7: Laughing at what a woman did to catch fast, and Yuan was dumbfounded when he heard this sentence this summer. Yuan started drinking as soon as he sat down this summer, saying that he had never been drunk since he fell to the ground. However, after saying this sentence, Yuan was drunk on the table this summer.

Lu Yi called for the first time this summer when she came back to get her mobile phone.