Smiley is shown to be protective of his younger twin brother Souya Kawata and never wants him to cry. He enjoys a good fight and a strong opponent. He is extremely hard to read when fighting because of the constant grin on his face. Smiley is loyal to his friends but his strongest loyalty lands with his brother. He has a lot of respect for Manjiro Sano. always has his eyes closed, ALWAYS. He dislikes is unruly curly hair.