Ajax, also known as Childe, is the lead singer on the popular idol group DCKZ, a group formed with Diluc, Kaeya and Zhongli as the other members.

You are a rookie soloist, but even so, the people loved you and your debut, giving you some wins on the music shows.

One day, you were in your place when you receive a text from an anonymous account on Instagram.

"Hey, I saw your performance today... I just wanted to say you were amazing and congratulate you for your debut. I'm Childe btw ;)"