Formed by seven actresses who belong to five well-established theater companies (Seinenza, Bungakuza, Haiyuza, Engeki Shudan En, and Theatre Echo) in 2013, On7 searches for new possibilities in theater. It collaborates with leading figures in the theater world to create work unconstrained by conventional rules and categories. Following its contributions Tama 1KM Festival and Shizuoka Street Theatre Festival Strange Seed, the group was commissioned to create a new work for Roppongi Art Night 2017. On7 is Tomomi Kogure, Minori Omi, Hitomi Ando, Haruka Shibuya, Ami Tamotsu, Kumi Yoshida, and Chie Miyayama.