C2174 Xin'er's Birthday

It's Xin's birthday.

"Brother, it's my classmate. They said they wanted to celebrate her birthday."

When the two of them happily ate the cake, the artificial intelligence in Xin's hand lit up. After she looked at the message, her face revealed an unhappy expression.

"Eh, this is a good thing. All these years, it has been the birthday of the two of us