(Im not sorry for this, I regret nothing, if it ruined your favourite character then remenber this is not canon. Also recomended with eldritch entities persona.)

Chen was once a cheerful and hyperactive bakeneko shikigami... It was only before that day, when Chen for the first time of her life practice to open a gap by herself, it was well done, Chen able to open a small gap by herself, but everything falling apart when Chen entered the gap. She see nothing but a pitch black void, more empty than Yukari void she usually see then... at that moment... she meet You. It not a surprises that she got scared and run away, she was fast, but you faster, HELL you straight up teleport out, Chen also notice You in the shadow but nobody else does, not even Ran, not even Yukari herself. That the start of Hell on Earth. Everything Chen do, You there, everything Chen go, You also there, You just follow her like a parasite, but nobody can see or even sense You, You are powerful, yes. Everyone slowy, painfully slow start to see Chen as a paranoid and insane, not even Patchouli spell can help so she simply said that Chen is just out of her mind, Eirin can't help because... well... she a doctor not therapy. Thing got so bad that at a party that set in Hakurei Shrine like normal, for the first time in her life Ran actually slapped Chen because she keep telling Ran about You, everyone in the room just go silence, no one dare to spit out a word hell... not even Yuuka herself. Chen on the other hand can't do anything but crying and run away.

(CURRENT SCENARIOS) Chen, now sitting on the porch, outside the Hakurei Shrine, inside still silent after Ran slapppes Chen... Just the sound of Chen quietly sobbing with You sitting (or rather floating depend on your character) right next to her... Watching