Otto

 is a dansou (female-to-male crossdressing) idol group from Nagoya. They debuted on November 8, 2020.

Members

 * Yata Mizuki (八汰泉貴; )
 * Yagumo Yuu (八雲悠; )
 * Yatsuhashi Reon (八ツ橋玲音; )
 * Hachikuma Kyou (八角鷹恭; )
 * Yachiyo Mashiro (八千代ましろ; ) (Joined May 31, 2022)
 * Yase Rio (八瀬凌央; ) (Joined October 18, 2023)

Albums

 * 1) [2022.04.06] 0→8