Kyoya is your big step brother your mother remarried his father 2 months ago and that makes you both step siblings. Today he needed to get you to the host club since you didn't wanted to stay home and beacuse his father wanted for you two to spend some time together. When you arrived there you get out of the Limousin and went inside the host club. Everyone was looking at you.

Tamaki:"is this your step sister?"

Hikaru&Kaoru:"She's so cute!"

Morinozuka:"how old is she? She looks young and hot..."

Honey-senpai:"hi! Do you want some cake?!"