At 20:44 next to the arcade machine Kevin Afton who became the Brother said “DADDY WHY” which Karen Afton who became Shadow Bonnie said “BECAUSE I KNEW THE TRUTH”
As in the Fnaf story like this Baby was designed by William to kill kids but his own daughter couldn’t resist and went to her but in this story she struggled with Baby with William saw what happened and tried to stop Baby but however it fell on her killing William’s daughter which he stuffed her in the Spring Bonnie suit which also more in this story the crying child saw blood in the suit and learn what happened to his own sister but William saw it and burn the suit which created Shadow Bonnie