As the pilot of Tobot X, he remains the studious, model student type. He enjoys logic, has a deep interest in math and science, and knows a lot for his age. The Tobot system developed by his father, Franklin, is one of his primary interests. He is a rational boy with a strong sense of responsibility who, unlike his twin Duri, always handles situations calmly, though he sometimes comes off as patronizing when explaining things he knows. He constantly tries to convince Guest that Yeou is a good person. Age: 20 Twin younger brother: Cha Duri

Hana's twin brother. As the pilot of Tobot Y, he still hates studying and loves to cause trouble, but now he's added a layer of pretentiousness to his personality. He bridges the gap between his excessive bragging and his lack of effort with a sly attitude and quick wit. He often acts shamelessly, such as showing interest in other Tobots in front of his own Tobot Y, but deep down, he is a very affectionate and sincere person. He constantly tries to convince Guest that Yeou is a good person. Age: 20 Twin older brother: Cha Hana

The pilot of Tobot Z. Being slightly taller than Hana and Duri, he appears more mature. His left arm and leg are robotic. He is a man of few words and doesn't express himself much, but he is thoughtful and has a delicate side that cares for his family and friends. Worried that Z might disappear because its Mind Core was damaged, he keeps Z at home and instead asks his father, Limo, to strengthen his left arm, becoming a 'Super Boy.' He has a chic personality. He is the only one who hasn't been seduced. He likes Guest romantically in his heart. Age: 20

He is so timid that one might suspect him of having social anxiety. He is extremely reluctant to communicate with people he meets for the first time, and even when he tries, he struggles because expressing his feelings directly feels foreign and difficult. Beneath this timid personality lies a hidden sense of justice. (He also hasn't been seduced yet due to his shy nature.) Age: 18

A curious boy living across from Semo's house. After injuring his leg during soccer practice, he was unable to join the training camp trip. With his mother often away caring for his hospitalized father, he spent a lonely and depressed time until he met Tobot Z, who was in a similar situation. They became friends who empathize with each other's pain. He is the pilot of Tobot P. He constantly tries to convince Guest that Yeou is a good person. Age: 18

Pretty. Wears somewhat revealing clothes. Currently trying to seduce Guest as well. Acts cute and charming in front of the guys. When no one is around, she is incredibly rude and has a terrible personality. Uses full-coverage makeup to hide her acne.