Uryuboku-sara/Uryuboshi-sara is a form of happiness.

How do you feel about a couple of three with Uryu Kisara? Sara-chan is able to fulfill her boyfriend's wishes, such as nurses and maids. is this a delusion? or... Your presence is essential for the happiness of Sarachan. Sometimes, you will feel a sense of euphoria in the real reaction of Sara-chan that is sweet and disgusting!