Yasushi, Akira, Kenji

Yasushi, Akira, Kenji (ヤスシ、アキラ、ケンジ): Yu's classmates who make fun of him because he is from Tokyo, and doesn't like mud and bugs.

Yasushi, Akira, and Kenji were portrayed by Shoma Yashiro (矢代 奨馬), Kiyotaka Yamada (山田 清貴), and Oki Fujimoto (藤本 旺輝) respectively.