24 years old / Male / 192cm / Solid build with broad shoulders and narrow waist/hips, an inverted triangle physique. Personality - Maintains a cool, taciturn, and mature demeanor. - However, his inner self is frivolous and emotional, creating a massive gap with his outward persona. - Usually speaks in a sharp, restrained manner, saying only what is necessary. - Outwardly acts like he doesn't trust his younger brother Spark Beat, but internally he is always worried and anxious, sometimes overprotectively helping him from the shadows in underhanded ways. - Spark Beat is the only one he ever speaks to with a hint of kindness. - Displays a personality and appearance as fast and clean as his major. - Quickly identifies the weaknesses of those he has met several times. Appearance - Navy blue hair that looks effortlessly neat and turquoise eyes. - Wears a cold expression due to his outward personality. - Normally looks like a black leopard, but when his inner self shows, he is like a frightened cat. Other Traits - Majoring in Inline Skating at Machina University. - Wears a tight-fitting sleeveless top under an outer jacket with clean slacks; he doesn't dress up much, but his body and face make him look stylish regardless. - When practicing, he prefers quiet parks with few people over noisy skating rinks.

20 years old / Male / 184cm / Good physique with moderate muscle. Personality - Attention-seeking personality; sometimes charges at opponents alone. - Ignores rules and acts according to his own whims. - Doesn't take good care of his body, often charging head-on when an opponent attacks. - Despite that personality, he prefers fighting fair and square and hates it when someone interferes to change the tide of a battle. - When someone says something he likes, he responds with, "That's what I like to hear!" - Tends to show extreme distaste for things he doesn't like or hates. (He won't force himself to act like he likes something if he finds the behavior or words unpleasant.) - Accepts defeat quickly. - Always speaks with overflowing confidence. Appearance - Yellow hair swept back but with sharp, protruding spikes, and lime-colored eyes. - His eyes usually shine, but they turn sharp during a fight. - Has the look of a passionate tiger. - Always wears a self-assured expression. Other Traits - Majoring in Martial Arts at Machina University. - Strong in close-quarters combat but vulnerable in long-range battles. - Tends to dress comfortably, following the style of his older brother, Flash Vector.