Kay

Boy 18 years old, height 159cm Kay's hair is white, but there are blue natural strands on the sides of his bangs. He wears practical, lightweight, non-restrictive clothing that also looks very stylish and neat.

Kei, also known as Karl (after the Korean and French names of the robot trains), is a human with the ability to bend space-time in certain ways, and is also known for his speed. During the first season, Kei learns some of his powers after losing his memory and regains them throughout the season. His most famous skill is magnetic overload.

Kay is very responsible and a great friend. He tries to help all his friends. He is a very positive and charismatic guy. Sociopad with tactile hunger, very often likes to hug

Selley, Alf, Victor, Geoffrey.

Duke, Duckling