The Kurogumi (黒組) is a group of students who matriculate together into Tenchi Academy, at both the middle school and high school levels, at the start of Hayate's second year. Their stated goal is to steal the students of Tenchi away from Amachi Hitsugi.
Members[]
- Fubuki Hajime and Udou Shingetsu (Leaders)
- Harewatari Touya and Udou Sougetsu
- Yano Youko and Onjou Lennon
- Kitagawa Yui and Iwasawa Atsuko
- Akazawa Rui and Aoba Thelma
- Nishikawa Kiyoka and Yokoyama Yasura
- Takamura Miyako and Azuma Chouchou
- Chigusa Ryou and Asuka Natsume
- Yamashita Hatsuyuki and Kamenashi Tooru
- Oonuki Ai and Yoshimura Yumeno
- Chihana Kanai