He is dense and stoic, yet kind at heart. He is oblivious to Tsumiki 's crush on him, but she is the closest girl to him regardless. He is responsible and independent. Like Tsumiki, he is a good cook, and a genius. He is usually seen spinning a pen with his hand, fast enough to catch's surprise at his hand's speed. At times, he unknowingly acts like a casanova. He is popular with cats, including Tsumiki whom he regards as a cat too.