Kai Narukami

Kai Narukami (鳴上魁) is a character in the manga and anime franchise Detective Conan.

Background
Kai is the Son of Atsushi and Kotoha Narukami

Appearance
Kai has messy, black hair and has a thin, athletic build similar to Eisuke

Personality
Kai mostly act polite but tend act cocky and his attention-seeking behavior often led him to joke around regardless of the situation. unaware of the fact that he used humor to mask his fears. Despite this he was heroic, caring and generally good-natured, always willing to save others at any time.

He is actually more mature, responsible and sensible then he looks. He's kind-hearted, willing to risk even his own life to save others. Eisuke has praised Kai's good nature, going so far as to say he all way make the right choices at the right moments.

Kai is often the target for jokes about his lack of muscles and body strength, Kai doesn't usually think before he says something, which results in him sticking his foot in his mouth, and unintentionally insulting someone He tends to be a bit of a wannabe ladies' man and has a fascination for girls

But beneath most of that he shows great insight with decent deducing, and is often on task of the situation on hand, and can be very serious at times and has a strong vision of the future and displays uncanny deductive reasoning.

Mako Narukami
Kai and Mako are cousin and the two of them are very close as children though they almost always bickering, arguing, name-calling making fun of each other, or fighting, and they had a love/hate relationship. However, deep down they really do care about each other as shown on various occasions

They have stopped their hostile fights and are each other's favorite cousins respectively once they grow older though Mako does get disgust when Kai said something perverted. Despite this she still care for Kai

Hikari Tatsumi
Kai and Hikari first met while Kai was on a Vacation trip through Japan Kai was smitten when he saw her according to Mako Hikari shown no interest toward Kai much to his Disappointment