[Kirarakim]

Originally Posted by Kazu-kun

She doesn't know what (almost) happened.

I am going to further explain since other people might be confused

Spoiler for From the Novel Chapter that corresponds to this episode:

Ringo knows she got 'drunk' and Shouma supposedly took care of her. She doesn't remember anything else. She does have some flashes of what Yuri did to her but she thinks this was all a dream