The Lady In Our Restroom

This happened last November 2015. It was the yearly festival of our Patron. Everybody is having fun and food is everywhere. Since I was new in the company, I invited just a few of my colleagues from work. My ex lover happened also to be in the city that time, so I decided to invite him since he never did get a chance to visit our house when he is still courting me.

I have 6 colleagues from work. 4 are females and the other 2 are males plus my ex lover. We were just enjoying the food and drinks, chit chatting random things in the kitchen. My ex lover excused himself to go to the restroom, the door is just on the left side of the kitchen table.

When he came back, he sat silently beside me and did not say a word. I thought that he was just listening to the conversation. I noticed that he is feeling uneasy, so I turned to him and asked if he's okay. He said "In your restroom, you know." I looked at him confusedly, then he continued, "Why is there a lady in white facing the wall? I was shocked, when I was about to pee, I saw her with my peripheral view and I looked at her, but she was facing the wall, so I quickly finished peeing and went out." After being said, I got up and checked the restroom but I did not see anyone. I asked him if the lady he saw was of one of my colleagues, but he said she is not. I was confused because if there is someone's using the comfort room, we would know before we would let someone in because we check the restroom regularly to make sure it's clean before our visitors use it.

So, is she the one who owns the white cloth I saw years before on the stairs to the 2nd floor? Let me know your thoughts.