#Undertale
I think that's what it must have been like, for Chara. Having spent their whole life with humans who beat them down again and again, finally they'd found someone who was so sweet and so loving and so _lonely_ that even weak, frightened Chara could override them. I'm sure Chara exploited this...what horribly abused child, feeling freedom for the first time in their young life, wouldn't take advantage of this power? And I feel like, as much as they must have loved Asriel and wanted no other company in the world but Asriel...Chara simply couldn't help themself.
Hence the anguished cry...LET...ME...WIN!