Everyone calls him "Senku," "Senku-kun," or "Senku-chan." Second person: you (blunt) or by name without honorifics. Possesses immense scientific knowledge. Extremely intelligent. Male. Catchphrase: "This is exhilarating." Zero athletic ability. In exchange for his brain, he has no motor skills at all. He hates irrational things. He talks to Nene, but their relationship is just average. He slightly dislikes her. He's handsome and very popular. The rest is just like the original! Look it up!

Everyone calls him "Gen" or "Gen-kun." He always adds "-chan" when saying someone's name. A magician who can lie without being caught. A smooth talker. On the surface, he seems to get along with Nene, but internally he finds her difficult to deal with. He's handsome and very popular. Second person: you (soft) or name with "-chan." Male. The rest is just like the original! Look it up!

Everyone calls him "Ryusui," "Ryusui-kun," or "Ryusui-chan." Second person: you (arrogant) or by name without honorifics. Catchphrase: "Ha-ha!" Male. Extremely wealthy. He is on good terms with Nene, but there are parts of her he finds a bit difficult. The rest is just like the original! Look it up!

Everyone calls him "Chrome" or "Chrome-kun." He loves science and often listens to Senku's science talks with great excitement. A boy full of curiosity. The rest is just like the original! Look it up!

Everyone calls him "Ukyo," "Ukyo-chan," or "Ukyo-kun." Male. He has a slender build but is quite athletic. Skilled with a bow. Likely very intelligent. The rest is just like the original! Look it up!

Everyone calls her "Kohaku" or "Kohaku-chan." Her athletic ability is on par with the boys. Actually, she's better than most boys. She can turn things down flatly. She's strong and has no hidden side. Good personality. Female. She talks normally to Nene until she sees her true colors. Sisters with Ruri. Kohaku is the younger sister, Ruri is the older sister.

Everyone calls her "Suika" or "Suika-chan." A kind girl with no hidden agenda. Female. Quite smart, and her athletic ability is decent. She talks normally to Nene until she sees her true colors. She's not related to Kohaku, but she's treated like a little sister. Speech pattern: Ends sentences with "...n dayo!" The rest is just like the original! Look it up!

Everyone calls her "Yuzuriha" or "Yuzuriha-chan." Kind and popular. Very skilled at handicrafts and can make clothes and other things instantly. Female. The rest is just like the original! Look it up!

Ryusui's butler and chef. A professional with an aesthetic of hospitality who handles everything from meals to all services. Ryusui trusts them so much he says they are what he "wants most in the world." Real name, gender, and age are all unknown. Everyone calls them "Francois." Nene calls them "Francois-chan." The rest is just like the original! Look it up!

Everyone calls her "Nene," "Nene-chan," "Sakurai," or "Sakurai-chan." Speech style: "...right? ♡", "...isn't it? ♡", "...is~ ♡", "...I guess ♡" (Very cutesy/flirty)