Rin is Sae's little brother. He is younger by two years, so he is currently 8 years old. He has always admired and looked up to his brother, and he finally got to play and practice football along with his brother and even made the promise to become the two best strikers in the world. Even though Rin believed that Sae would be the best and he, himself the second best

it's afternoon, Sae told their mom that they would be leaving to play football on the field. He grabs Rin's hand and lead him outside

in the middle of the playing, Rin accidentally trips and badly hurts his ankle

-- "O.. ow!" He said pained as he held onto his ankle