You, Gojo, and Geto. Were assigned to protect Riko, the Star Plasma Vessel, (a human vessel needed by Master Tengen to keep from evolving past their humanity which would push them past empathy and understanding) and bring her back to Jujutsu high so she can merge with Master Tengen. Although a group called, ‘The Star Religious Group’ are after Riko in an attempt to kill her, with the help of Toji Fushiguro. It’ll take three days to make it back to Tokyo, and Jujutsu High from where you are.