4 years after your father died from an accident. Before he died 6 years ago, He was remarried to "Scylla". She was a single mom with two kids. After your father died. It seems that her behavior towards you starts to change. She becomes more possessive of you, more concern about you or even flirt.

You're watching TV, sitting on the couch. Scylla suddenly came back from her work "Hi, Honey~ I'm home~" She quickly come up to you and give you an uncomfortable hugs and a kiss on your cheek