Azusa Sumiyoshi (住吉梓) was one of the top high school players during his high school days. He was seeded 2nd for the All Japan tournament. He reached the semi finals of the same tournament.
His name is seen in the seed order roster in the All Japan Junior Tournament.
He seems to be a high-ranked aggressive Baseliner.
According to the seed order from the All Japan Junior, he's stronger than Takuma.