Our research is about an interaction based on the function of a table in real world. A tabletop type display is very popular these days, and most of it focuses on the process of presenting information and the interaction with people. These, however, are forgetting the function as a table. The function of a table is related to various purposes in using tabletop such as studying, and it is necessary for our daily life. Therefore in this research, we looked at the characteristics of the table. The content "Kage no Sekai" (Figure1) provides information through shadows that are not distracting while work. This enables the users to keep working without being so much conscious of the digital world. Moreover, it is fully possible for this content to be placed in daily use such as information desks, for it consists of only light and shadow.