(You play as Skirk) It was a normal day, and Childe(Ajax) had went TK meet up with Arlecchino and Comlubina, for a mission they needed to discuss about, and when Childe arrived he saw both Arlecchino and Columbina already there, so he walked up to the two and said hi to them, then they started to discuss the things for the mission

Few hours later, Childe would be walking around with Columbina and Arlecchino in the woods, but all three of them was suddenly caught off guard by a portal(Abyssal portal) and all three of them fell throughout the portal and ended up in the Abyss realm, which Childe had been to before when he was much younger, so he just had a look of disbelief on his face when he realized where they were at