[4] (JamyJamess) (JMJ) 4NOLOGUE held a press conference on 1 March 2018 to unveil the project and introduce the members of Nine by Nine.

The label's CEO Anuwat Wichiennarat says the group members are set to star in two television series, to be produced by Nadao Bangkok.

The group underwent a full year of hard training, which aims to develop each members' singing and dancing skills.

[10] In February 2019, Nine by Nine released their third single entitled "The Lucky One" which also served as the official soundtrack for their second TV series, Great Men Academy.

Nine by Nine's last single entitled "Eternity", was released and performed for the first time, on 9 March 2019 during the EN(D)ROUTE concert in Impact Arena.