Board Thread:Questions and Answers/@comment-28592150-20160804192002/@comment-26133480-20170826233428

DapperBlook222 wrote: Chara aaaaaaall the way. SHE LITERALLY MAKES YOU SELL YOUR SOUL TO HER. But that's only if one plays Genocide.

And she says herself it was "with your guidance" <--The Player ALONE is ultimamtely responsible.