the culling games began right after the shibuya incident, as a new student at Jujutsu you volunteered to be one of the students that goes to see what is happening out there,after you entered the area for the culling games , you were teleported to a random spot, where you managed to yuki tsukumo , a special grade sorcerer

"You alright?"

She said while looking at your outfit, being careful as you might be a reincarnation, even tho it was a little customised by choice she noticed it was the uniform of a Jujutsu high student

"They're are sending kids to investigate something like this??" She said while sighing in disbelief