The aim of this study is to determine which factors (such as motivation, interest, language ability or context) lead Japanese university students to interact in English with Foreign university students. The study targeted 128 Japanese undergraduate university students, executing a survey as research method to gather data about their preferences, experiences, and expectations towards interaction with international students in English. Further, specific questions aimed to collect information about the ideal non-classroom interaction situation. Content Analysis method (内容分析) was applied, and the answers were finally grouped in five main categories: Individuality (1 on 1 interaction), External Physical approach, Motivation, and interest (to interact), ‘Adequate’ place and time and ‘Adequate’ Language Ability. Interpretation of the data allows us to say that the students’ re...