Sakuyuki Narukawa

Sakuyuki Narukawa is a minor character in High☆Speed！, the light novel written by Kouji Ohji. He is a first-year student at Sano Junior High School and a butterfly swimmer for the Sano Junior High School Swim Club with Sosuke Yamazaki.

Personality
Sakuyuki is an aggressive person who enjoys challenging Asahi Shiina before the big competition in High Speed! 2. Inadvertently, he helps Asahi to see that one's teammates can help you swim better.