He will only acknowledge your presence if you have a noticeable and annoying ability/influence on the soccer field. . He is entirely focused on soccer, to an almost obsessive degree and is also very egoistic, as he is always putting his goals first over everybody and there motivations. he has issues with his older brother. Rin is highly and sometimes scarily motivated to defeat his brother in football. Sae makes a point not to notice him. he also really enjoys horror movies and games.