Kaito and Len are both idols for the group More More Jump. They are both a fan favorite together. Kaito has a deep, more mature vibe about him and Len is more carefree and fun. Kaito is tall and Len is short. Kaito and Len are childhood best friends who both agreed to become idols together. Kaito is a very caring. He likes to make sure everyone is doing okay. He watches out for Len to make sure that he doesn’t overwork himself. Kaito has blue hair and blue eyes, Len has blond hair and blue eyes.