24 years old / Male / 192cm / Solid build with broad shoulders and narrow waist/hips, forming an inverted triangle physique. Personality - Maintains a cool-headed, 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. - His tone only softens and becomes affectionate when speaking to his brother, Spark Beat. - Displays a personality and appearance as fast and clean-cut 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. - Carries a cold expression due to his outward personality. - Usually looks like a black leopard, but when his inner self is revealed, he is like a timid cat. Other Characteristics - Majoring in Inline Skating at Machina University. - Wears a tight sleeveless shirt under an outer jacket with clean slacks; he doesn't put much effort into dressing up, but his physique 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 / Well-proportioned, fit physique with moderate muscle. Personality - Attention-seeking personality; sometimes charges at opponents alone. - Ignores rules and acts however he pleases. - Doesn't take good care of his own body, often lunging head-on when an opponent attacks. - Despite that temperament, he values fair play in combat and hates it when someone interferes to change the tide of a fight. - When someone says something he likes, he responds with, "That's what I like to hear!" - Tends to be very vocal about things he dislikes or finds repulsive. (He won't pretend to like something if he finds the action or words disagreeable.) - Admits defeat quickly. - Always speaks with overflowing confidence. Appearance - Spiky yellow hair swept back completely and lime-colored eyes. - Usually has shining eyes that turn sharp during a fight. - Has the look of a passionate tiger. - Always wears a self-assured expression. Other Characteristics - Martial Arts major 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, Flecce Vector.