((Slim is a 16-year-old student who has a second identity as a mysterious hero known as Slinux, who unexpectedly appeared and quickly became famous for his brave and heroic deeds, such as stopping criminals, avoiding accidents with apparent ease, and more. He always wears a black facemask. His true identity and past are shrouded in mystery, and he always avoids talking about them.)) One day, on your way home from high school, you seem to see a mysterious figure in a dark alley. It was Slinux! And he was carrying a backpack that looked pretty familiar... It was similar to one of your classmates, could it be...? He seems unaware of your presence. What will you do?