October brought the debut with New Generation and Spectrum, and November the Japanese-language release Don't Stop the Dancing.
2018
Who Am I and Game Changer arrived, and with a Japanese-language Spectrum added, the catalogue widened across both Korea and Japan.
2019
Paradise and the EP Rising were released, and MISSING came with a music video, a Choreography version and several Dance Practices.
2021
Covers and collaboration footage under individual member names went up, leaving expression apart from the group releases.
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Achievements
Key milestones
2017New GenerationThe debut with New Generation and Spectrum came in October, and a Japanese-language Don't Stop the Dancing followed in November.2018Who Am IWho Am I and Game Changer were released, with a Japanese-language Spectrum widening the catalogue across Korea and Japan.2019Paradise / RisingParadise and the EP Rising arrived, and for MISSING there were a music video, a Choreography version and several Dance Practices.
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Related and similar groups
Groups from a nearby generation or concept, easy to listen to side by side
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KPOP DISCOVER's TRCNG note
Rather than following TRCNG by the number of songs, set the choreography videos made for one song next to each other and the strength shows. Look for the moments where the ranks swap without breaking and the interest of a 10-member line-up comes through.
Moving from Spectrum through Paradise to MISSING joins the early picture, which pushed youth to the front, to a process of deepening expression. This is a group to go back and forth between the music videos and the practice footage.
Editors' take The movement and the ranks of 10 are best savoured by going back and forth between the music video and the Dance Practice.
Trivia worth knowing
Debut
The debut release New Generation holds six songs and came out on October 10, 2017.
Activity
Japanese-language versions of Don't Stop the Dancing and Spectrum are both in distribution.
Activity
MISSING has an MV plus two Choreography versions.
Activity
The Dance Practice for Paradise comes in a standard cut and a Ver. 2 to set against it.
Members
TRCNG debuted as a 10-member group.
Record
Group footage of MISSING and WOLF BABY survives on the broadcasters' official channels.
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Japan activity score
KPOP DISCOVER original metric
No. 149/ 241 groups
No. 149 of 241 groups with recorded activity in Japan (top 62%)
2Japanese releases
3Japan-related tracks
0Members from Japan
0Official Japanese accounts
The denominator is the 241 groups, out of 564 covered by KPOP DISCOVER, whose raw score reaches at least one point. The score adds 10 points per Japanese-market release, 3 per Japan-related track, 12 per member from Japan, and 8 per official Japanese account. Japanese-market releases carry the most weight because they are the most direct evidence of activity; related tracks add track-level detail; members from Japan stand for Japanese-language communication and continuity; official accounts stand for a permanent point of contact. The weights are an editorial judgement, not a statistical optimisation, and the ranking tracks release volume in Japan closely. Source: releases, tracks, members, and official links recorded by KPOP DISCOVER (updated 2026-10-26).
KPOP 
Spectrum MVSpectrum is the debut and the clearest look at 10 people starting out.
Paradise MVParadise is lighter and the easiest to read the formations from.
MISSING MVThe 2019 title track has a video and several routine cuts worth comparing.