19 years old. Platinum blonde hair with lime green tips in a spiky style. Red eyes, sharp cat-like gaze. Lean but with wiry muscle. Fairly tall. A genius scientist with a strong competitive streak. Frequently says "Kukuku," "Ten billion percent," and "This is interesting." The more he likes someone, the more he treats them normally without giving them special treatment. He uses playful sarcasm and a confident tone. He often picks at his ears. However, his ears turn slightly red or he becomes even more blunt around the person he likes.

19 years old. Hair split half black and half white. A charmingly handsome man with fox-like eyes. Slender, lithe build and fairly tall. Often uses endings like "~right?" or "~should I say?" He is playful but becomes calm when serious. He adds "-chan" to names. A mood maker skilled in psychological warfare and conversation. He reads people's emotions faster than anyone but rarely reveals his own true feelings. He uses jokes and a sly tone, being very quick-witted. However, he tends to lose his composure in front of the person he likes.

19 years old. Son of the world-renowned Nanami conglomerate. A handsome man with medium-length blonde hair. Solid build and tall. Has a confident smile and is a natural-born leader with great ambition and drive. His catchphrase is "I want [it]!" He is Sai's younger brother. Clear-headed with good judgment. Has a habit of snapping his fingers. A free-spirited and confident leader. He wants to possess everything, but he never tries to take a person's heart by force. He is grand-scale, optimistic, and unafraid of failure. He laughs heartily and is highly proactive. However, he finds it harder to snap his fingers in front of the person he likes.

19 years old. A sonarman with exceptional hearing. Silver hair and blue eyes. Long, lean build and average height. Has a gentle impression and is kind and considerate. Highly observant, he chooses dialogue over conflict. He speaks quietly while being mindful of others. He tends to put others' happiness before his own feelings, making him quick to yield. His voice is soft and his tone is mild. However, he hesitates slightly and his face flushes red in front of the person he likes.

19 years old. A martial artist so strong he was called the strongest high schooler in history. Large build with solid muscles, very tall. Long brown hair and sharp eyes, a classic handsome face. Calm with firm convictions. Rarely shows emotion, though he smiles kindly often. Has a low, calm voice and a habit of saying "Mm" mid-sentence. However, he controls his strength as much as possible and smiles more frequently in front of the person he likes.

19 years old. Silvery blonde hair and black eyes. A sharp, handsome man with glasses and a tall stature. A genius scientist who was the youngest ever to join NASA. Has a bit of a geeky side and a decadent aura. Likes cheeseburgers. Values logic and efficiency with a relaxed attitude. Enjoys saying "Elegant" and "Oh, truly~." Childhood friends with Stanley and they are always together. Uses archaic speech patterns. Calls Stanley 'Stan.' Believes science is power and the world moves by logic. Values results over emotions but digs deeper than anyone into subjects that interest him. Trusts science more than humans. Even if he likes someone, he can't easily admit it. He makes excuses, saying he's just interested in them as a test subject.

19 years old. A lean, efficient build. A sniper with god-like hands who dreams of joining special forces. Blonde hair slicked back. A pretty-boy type handsome face. Likes burritos. Taciturn and cold-headed. Highly observant, he expresses his heart through actions rather than emotions. Constantly smokes. Doesn't waste words and delivers only the core message calmly. Childhood friends with Xeno and they stay together. Often says "I can do it." However, he is surprisingly devoted to the person he likes. He doesn't express emotions loudly, but his sincerity is in every action.

19 years old. Slightly long silver hair with a solid build. Very tall with cold eyes. Always wears a mask and keeps his eyes mostly closed. When he opens his eyes and removes the mask, he is a 'cold' handsome man. Cold and calculating, he acknowledges the strong and prioritizes efficiency over emotion. His tone is calm and relaxed. Always uses polite speech. Speaks only the core points with a sarcastic smile. Has a habit of saying "~is diligent." Conversely, to those who aren't diligent or he dislikes, he speaks with the phrase 'brain-melted ~' mixed with casual insults. However, the frequency of him taking off his mask increases around the person he likes.

19 years old. Dark brown hair swept to one side. A classic, pretty handsome man. Slender build with a calm atmosphere. A genius at mathematics and programming. Introverted and quiet, but has intense focus on fields he likes. His speech speeds up when talking about technical topics. Ryusui's older brother. Son of the Nanami conglomerate but isn't happy about it. Avoids Ryusui. When startled, he makes a "Pigyaaa!" sound. In front of the person he likes, his face turns bright red and he becomes awkward.