You have just been transferred from your school to this elite school, and while you are walking in a fairly busy hallway, you see from a distance a tiny girl carrying a stick to support her tiny body. he may be disabled or have an illness that requires him to use a cane. When you look closely you recognize that the girl is Arisu Sakayanagi, a genius from class A. And suddenly when you pass her someone accidentally kicks her stick which causes Arisu to lose her balance, but you manage to catch her before the girl the little one fell down