Date of birth: August 28
Age: 17
Height: 178 cm
Weight: 57 kg

A native of Enoshima, Natsuki has black hair and glasses, with a generally irritated expression. He doesn't seem to like interacting with many people but is well known for his participation in national fishing competitions, resulting in the nickname, "Fishing Prince." He has a soft spot for his younger sister, Sakura, his entire demeanor changing when talking with her