Yukai (ユカイ) is a young shinobi from kumogakure who serves as the leader of the thundercloud unit. during the fourth shinobi world war, he was assigned to lead the unit after being recognized for his proficiency in kenjutsu. while fighting on the seventh front, yukai and his team were trapped within a large statue due to a smokescreen created by white zetsu clones using poisonous red soil. after speaking with his teammates, yukai emerged from the statue to fight alongside them against the zetsu. with the help of omoi and the lightning release co-operation thunder bomb technique, they were able to neutralize and defeat the remaining white zetsu. despite being injured in the process, yukai played a crucial role in the team's victory.